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Finding the Fourth Proportional to 364,687.65, 547,031.61 and 98,447.94

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Solution

The fourth proportional to 364,687.65, 547,031.61 and 98,447.94 is: 147,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,687.65 : 547,031.61 = 98,447.94 : x
  2. Step 2: Convert to fraction form
    364,687.65/547,031.61 = 98,447.94/x
  3. Step 3: Cross multiply
    364,687.65x = 547,031.61 × 98,447.94
  4. Step 4: Simplify right side
    364,687.65x = 53,854,135,119.38
  5. Step 5: Solve for x
    x = 53,854,135,119.38/364,687.65
  6. Step 6: Final answer
    x = 147,671.95

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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.