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Finding the Fourth Proportional to 189,558,687.70, 284,338,031.55 and 189,558,687.70

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Solution

The fourth proportional to 189,558,687.70, 284,338,031.55 and 189,558,687.70 is: 284,338,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,558,687.70 : 284,338,031.55 = 189,558,687.70 : x
  2. Step 2: Convert to fraction form
    189,558,687.70/284,338,031.55 = 189,558,687.70/x
  3. Step 3: Cross multiply
    189,558,687.70x = 284,338,031.55 × 189,558,687.70
  4. Step 4: Simplify right side
    189,558,687.70x = 53,898,744,123,819,192
  5. Step 5: Solve for x
    x = 53,898,744,123,819,192/189,558,687.70
  6. Step 6: Final answer
    x = 284,338,031.55

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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.