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Finding the Fourth Proportional to 172,280.66, 258,473.40 and 88,099.94

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Solution

The fourth proportional to 172,280.66, 258,473.40 and 88,099.94 is: 132,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,280.66 : 258,473.40 = 88,099.94 : x
  2. Step 2: Convert to fraction form
    172,280.66/258,473.40 = 88,099.94/x
  3. Step 3: Cross multiply
    172,280.66x = 258,473.40 × 88,099.94
  4. Step 4: Simplify right side
    172,280.66x = 22,771,491,031.60
  5. Step 5: Solve for x
    x = 22,771,491,031.60/172,280.66
  6. Step 6: Final answer
    x = 132,176.71

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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.