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Finding the Fourth Proportional to 113,402.62, 156,496.62 and 63,101.62

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Solution

The fourth proportional to 113,402.62, 156,496.62 and 63,101.62 is: 87,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,402.62 : 156,496.62 = 63,101.62 : x
  2. Step 2: Convert to fraction form
    113,402.62/156,496.62 = 63,101.62/x
  3. Step 3: Cross multiply
    113,402.62x = 156,496.62 × 63,101.62
  4. Step 4: Simplify right side
    113,402.62x = 9,875,190,246.52
  5. Step 5: Solve for x
    x = 9,875,190,246.52/113,402.62
  6. Step 6: Final answer
    x = 87,080.79

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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.