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Finding the Fourth Proportional to 156,572.32, 234,871.12 and 44,253.42

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Solution

The fourth proportional to 156,572.32, 234,871.12 and 44,253.42 is: 66,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,572.32 : 234,871.12 = 44,253.42 : x
  2. Step 2: Convert to fraction form
    156,572.32/234,871.12 = 44,253.42/x
  3. Step 3: Cross multiply
    156,572.32x = 234,871.12 × 44,253.42
  4. Step 4: Simplify right side
    156,572.32x = 10,393,850,319.23
  5. Step 5: Solve for x
    x = 10,393,850,319.23/156,572.32
  6. Step 6: Final answer
    x = 66,383.70

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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.