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Finding the Fourth Proportional to 95,235, 142,841.52 and 38,306.76

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Solution

The fourth proportional to 95,235, 142,841.52 and 38,306.76 is: 57,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,235 : 142,841.52 = 38,306.76 : x
  2. Step 2: Convert to fraction form
    95,235/142,841.52 = 38,306.76/x
  3. Step 3: Cross multiply
    95,235x = 142,841.52 × 38,306.76
  4. Step 4: Simplify right side
    95,235x = 5,471,795,824.68
  5. Step 5: Solve for x
    x = 5,471,795,824.68/95,235
  6. Step 6: Final answer
    x = 57,455.72

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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.