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Finding the Fourth Proportional to 115,246.50, 159,040.17 and 62,254.50

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Solution

The fourth proportional to 115,246.50, 159,040.17 and 62,254.50 is: 85,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,246.50 : 159,040.17 = 62,254.50 : x
  2. Step 2: Convert to fraction form
    115,246.50/159,040.17 = 62,254.50/x
  3. Step 3: Cross multiply
    115,246.50x = 159,040.17 × 62,254.50
  4. Step 4: Simplify right side
    115,246.50x = 9,900,966,263.27
  5. Step 5: Solve for x
    x = 9,900,966,263.27/115,246.50
  6. Step 6: Final answer
    x = 85,911.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.