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Finding the Fourth Proportional to 251,646.48, 377,489.16 and 101,815.92

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Solution

The fourth proportional to 251,646.48, 377,489.16 and 101,815.92 is: 152,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,646.48 : 377,489.16 = 101,815.92 : x
  2. Step 2: Convert to fraction form
    251,646.48/377,489.16 = 101,815.92/x
  3. Step 3: Cross multiply
    251,646.48x = 377,489.16 × 101,815.92
  4. Step 4: Simplify right side
    251,646.48x = 38,434,406,115.43
  5. Step 5: Solve for x
    x = 38,434,406,115.43/251,646.48
  6. Step 6: Final answer
    x = 152,731.75

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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.