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Finding the Fourth Proportional to 168,894.70, 253,333.15 and 42,534.86

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Solution

The fourth proportional to 168,894.70, 253,333.15 and 42,534.86 is: 63,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,894.70 : 253,333.15 = 42,534.86 : x
  2. Step 2: Convert to fraction form
    168,894.70/253,333.15 = 42,534.86/x
  3. Step 3: Cross multiply
    168,894.70x = 253,333.15 × 42,534.86
  4. Step 4: Simplify right side
    168,894.70x = 10,775,488,695.61
  5. Step 5: Solve for x
    x = 10,775,488,695.61/168,894.70
  6. Step 6: Final answer
    x = 63,800.04

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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.