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Finding the Fourth Proportional to 113,495.01, 156,616.92 and 62,498.04

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Solution

The fourth proportional to 113,495.01, 156,616.92 and 62,498.04 is: 86,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,495.01 : 156,616.92 = 62,498.04 : x
  2. Step 2: Convert to fraction form
    113,495.01/156,616.92 = 62,498.04/x
  3. Step 3: Cross multiply
    113,495.01x = 156,616.92 × 62,498.04
  4. Step 4: Simplify right side
    113,495.01x = 9,788,250,530.84
  5. Step 5: Solve for x
    x = 9,788,250,530.84/113,495.01
  6. Step 6: Final answer
    x = 86,243.88

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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.