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Finding the Fourth Proportional to 113,770.08, 157,006.08 and 63,468

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Solution

The fourth proportional to 113,770.08, 157,006.08 and 63,468 is: 87,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,770.08 : 157,006.08 = 63,468 : x
  2. Step 2: Convert to fraction form
    113,770.08/157,006.08 = 63,468/x
  3. Step 3: Cross multiply
    113,770.08x = 157,006.08 × 63,468
  4. Step 4: Simplify right side
    113,770.08x = 9,964,861,885.44
  5. Step 5: Solve for x
    x = 9,964,861,885.44/113,770.08
  6. Step 6: Final answer
    x = 87,587.72

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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.