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Finding the Fourth Proportional to 76,160.62, 114,306.54 and 36,750.88

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Solution

The fourth proportional to 76,160.62, 114,306.54 and 36,750.88 is: 55,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,160.62 : 114,306.54 = 36,750.88 : x
  2. Step 2: Convert to fraction form
    76,160.62/114,306.54 = 36,750.88/x
  3. Step 3: Cross multiply
    76,160.62x = 114,306.54 × 36,750.88
  4. Step 4: Simplify right side
    76,160.62x = 4,200,866,146.55
  5. Step 5: Solve for x
    x = 4,200,866,146.55/76,160.62
  6. Step 6: Final answer
    x = 55,157.98

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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.