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Finding the Fourth Proportional to 114,866.24, 172,149.60 and 58,658.97

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Solution

The fourth proportional to 114,866.24, 172,149.60 and 58,658.97 is: 87,911.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,866.24 : 172,149.60 = 58,658.97 : x
  2. Step 2: Convert to fraction form
    114,866.24/172,149.60 = 58,658.97/x
  3. Step 3: Cross multiply
    114,866.24x = 172,149.60 × 58,658.97
  4. Step 4: Simplify right side
    114,866.24x = 10,098,118,119.10
  5. Step 5: Solve for x
    x = 10,098,118,119.10/114,866.24
  6. Step 6: Final answer
    x = 87,911.98

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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.