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Finding the Fourth Proportional to 101,358.70, 152,023.65 and 34,801.90

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Solution

The fourth proportional to 101,358.70, 152,023.65 and 34,801.90 is: 52,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,358.70 : 152,023.65 = 34,801.90 : x
  2. Step 2: Convert to fraction form
    101,358.70/152,023.65 = 34,801.90/x
  3. Step 3: Cross multiply
    101,358.70x = 152,023.65 × 34,801.90
  4. Step 4: Simplify right side
    101,358.70x = 5,290,711,864.94
  5. Step 5: Solve for x
    x = 5,290,711,864.94/101,358.70
  6. Step 6: Final answer
    x = 52,197.91

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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.