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Finding the Fourth Proportional to 156,635.88, 234,953.82 and 38,305.82

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Solution

The fourth proportional to 156,635.88, 234,953.82 and 38,305.82 is: 57,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,635.88 : 234,953.82 = 38,305.82 : x
  2. Step 2: Convert to fraction form
    156,635.88/234,953.82 = 38,305.82/x
  3. Step 3: Cross multiply
    156,635.88x = 234,953.82 × 38,305.82
  4. Step 4: Simplify right side
    156,635.88x = 9,000,097,562.46
  5. Step 5: Solve for x
    x = 9,000,097,562.46/156,635.88
  6. Step 6: Final answer
    x = 57,458.72

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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.