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Finding the Fourth Proportional to 365,111.31, 547,713.12 and 125,160.19

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Solution

The fourth proportional to 365,111.31, 547,713.12 and 125,160.19 is: 187,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,111.31 : 547,713.12 = 125,160.19 : x
  2. Step 2: Convert to fraction form
    365,111.31/547,713.12 = 125,160.19/x
  3. Step 3: Cross multiply
    365,111.31x = 547,713.12 × 125,160.19
  4. Step 4: Simplify right side
    365,111.31x = 68,551,877,264.76
  5. Step 5: Solve for x
    x = 68,551,877,264.76/365,111.31
  6. Step 6: Final answer
    x = 187,756.10

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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.