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Finding the Fourth Proportional to 270,834,410.72, 406,123,548.90 and 104,915,624.20

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Solution

The fourth proportional to 270,834,410.72, 406,123,548.90 and 104,915,624.20 is: 157,323,825.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,834,410.72 : 406,123,548.90 = 104,915,624.20 : x
  2. Step 2: Convert to fraction form
    270,834,410.72/406,123,548.90 = 104,915,624.20/x
  3. Step 3: Cross multiply
    270,834,410.72x = 406,123,548.90 × 104,915,624.20
  4. Step 4: Simplify right side
    270,834,410.72x = 42,608,705,635,162,720
  5. Step 5: Solve for x
    x = 42,608,705,635,162,720/270,834,410.72
  6. Step 6: Final answer
    x = 157,323,825.74

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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.