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Finding the Fourth Proportional to 364,776.75, 547,167.56 and 115,458.75

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Solution

The fourth proportional to 364,776.75, 547,167.56 and 115,458.75 is: 173,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,776.75 : 547,167.56 = 115,458.75 : x
  2. Step 2: Convert to fraction form
    364,776.75/547,167.56 = 115,458.75/x
  3. Step 3: Cross multiply
    364,776.75x = 547,167.56 × 115,458.75
  4. Step 4: Simplify right side
    364,776.75x = 63,175,281,940.86
  5. Step 5: Solve for x
    x = 63,175,281,940.86/364,776.75
  6. Step 6: Final answer
    x = 173,188.89

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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.