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Finding the Fourth Proportional to 527,157.35, 790,729.04 and 127,801.73

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Solution

The fourth proportional to 527,157.35, 790,729.04 and 127,801.73 is: 191,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,157.35 : 790,729.04 = 127,801.73 : x
  2. Step 2: Convert to fraction form
    527,157.35/790,729.04 = 127,801.73/x
  3. Step 3: Cross multiply
    527,157.35x = 790,729.04 × 127,801.73
  4. Step 4: Simplify right side
    527,157.35x = 101,056,540,850.68
  5. Step 5: Solve for x
    x = 101,056,540,850.68/527,157.35
  6. Step 6: Final answer
    x = 191,700.91

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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.