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Finding the Fourth Proportional to 351,773.69, 527,660.53 and 99,054.09

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Solution

The fourth proportional to 351,773.69, 527,660.53 and 99,054.09 is: 148,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,773.69 : 527,660.53 = 99,054.09 : x
  2. Step 2: Convert to fraction form
    351,773.69/527,660.53 = 99,054.09/x
  3. Step 3: Cross multiply
    351,773.69x = 527,660.53 × 99,054.09
  4. Step 4: Simplify right side
    351,773.69x = 52,266,933,380.43
  5. Step 5: Solve for x
    x = 52,266,933,380.43/351,773.69
  6. Step 6: Final answer
    x = 148,581.14

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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.