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Finding the Fourth Proportional to 104,445.52, 156,668.28 and 63,154.96

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Solution

The fourth proportional to 104,445.52, 156,668.28 and 63,154.96 is: 94,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,445.52 : 156,668.28 = 63,154.96 : x
  2. Step 2: Convert to fraction form
    104,445.52/156,668.28 = 63,154.96/x
  3. Step 3: Cross multiply
    104,445.52x = 156,668.28 × 63,154.96
  4. Step 4: Simplify right side
    104,445.52x = 9,894,378,956.67
  5. Step 5: Solve for x
    x = 9,894,378,956.67/104,445.52
  6. Step 6: Final answer
    x = 94,732.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.