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Finding the Fourth Proportional to 54,165.30, 81,102.15 and 54,165.30

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Solution

The fourth proportional to 54,165.30, 81,102.15 and 54,165.30 is: 81,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,165.30 : 81,102.15 = 54,165.30 : x
  2. Step 2: Convert to fraction form
    54,165.30/81,102.15 = 54,165.30/x
  3. Step 3: Cross multiply
    54,165.30x = 81,102.15 × 54,165.30
  4. Step 4: Simplify right side
    54,165.30x = 4,392,922,285.40
  5. Step 5: Solve for x
    x = 4,392,922,285.40/54,165.30
  6. Step 6: Final answer
    x = 81,102.15

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1.5x scale

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.