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Finding the Fourth Proportional to 54,291,446.70, 81,437,170.05 and 54,291,446.70

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Solution

The fourth proportional to 54,291,446.70, 81,437,170.05 and 54,291,446.70 is: 81,437,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,291,446.70 : 81,437,170.05 = 54,291,446.70 : x
  2. Step 2: Convert to fraction form
    54,291,446.70/81,437,170.05 = 54,291,446.70/x
  3. Step 3: Cross multiply
    54,291,446.70x = 81,437,170.05 × 54,291,446.70
  4. Step 4: Simplify right side
    54,291,446.70x = 4,421,341,777,168,411.50
  5. Step 5: Solve for x
    x = 4,421,341,777,168,411.50/54,291,446.70
  6. Step 6: Final answer
    x = 81,437,170.05

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.