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Finding the Fourth Proportional to 115,498, 159,387.32 and 62,506

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Solution

The fourth proportional to 115,498, 159,387.32 and 62,506 is: 86,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,498 : 159,387.32 = 62,506 : x
  2. Step 2: Convert to fraction form
    115,498/159,387.32 = 62,506/x
  3. Step 3: Cross multiply
    115,498x = 159,387.32 × 62,506
  4. Step 4: Simplify right side
    115,498x = 9,962,663,823.92
  5. Step 5: Solve for x
    x = 9,962,663,823.92/115,498
  6. Step 6: Final answer
    x = 86,258.32

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