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Finding the Fourth Proportional to 113,129.04, 156,118.44 and 62,828.04

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Solution

The fourth proportional to 113,129.04, 156,118.44 and 62,828.04 is: 86,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,129.04 : 156,118.44 = 62,828.04 : x
  2. Step 2: Convert to fraction form
    113,129.04/156,118.44 = 62,828.04/x
  3. Step 3: Cross multiply
    113,129.04x = 156,118.44 × 62,828.04
  4. Step 4: Simplify right side
    113,129.04x = 9,808,615,593.06
  5. Step 5: Solve for x
    x = 9,808,615,593.06/113,129.04
  6. Step 6: Final answer
    x = 86,702.90

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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.