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Finding the Fourth Proportional to 54,316.70, 81,475.05 and 54,316.70

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Solution

The fourth proportional to 54,316.70, 81,475.05 and 54,316.70 is: 81,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316.70 : 81,475.05 = 54,316.70 : x
  2. Step 2: Convert to fraction form
    54,316.70/81,475.05 = 54,316.70/x
  3. Step 3: Cross multiply
    54,316.70x = 81,475.05 × 54,316.70
  4. Step 4: Simplify right side
    54,316.70x = 4,425,455,848.34
  5. Step 5: Solve for x
    x = 4,425,455,848.34/54,316.70
  6. Step 6: Final answer
    x = 81,475.05

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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.