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Finding the Fourth Proportional to 125,428,793.18, 188,143,189.76 and 125,428,793.18

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Solution

The fourth proportional to 125,428,793.18, 188,143,189.76 and 125,428,793.18 is: 188,143,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,428,793.18 : 188,143,189.76 = 125,428,793.18 : x
  2. Step 2: Convert to fraction form
    125,428,793.18/188,143,189.76 = 125,428,793.18/x
  3. Step 3: Cross multiply
    125,428,793.18x = 188,143,189.76 × 125,428,793.18
  4. Step 4: Simplify right side
    125,428,793.18x = 23,598,573,236,005,388
  5. Step 5: Solve for x
    x = 23,598,573,236,005,388/125,428,793.18
  6. Step 6: Final answer
    x = 188,143,189.76

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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.