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Finding the Fourth Proportional to 114,658.56, 171,998.70 and 44,543.28

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Solution

The fourth proportional to 114,658.56, 171,998.70 and 44,543.28 is: 66,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,658.56 : 171,998.70 = 44,543.28 : x
  2. Step 2: Convert to fraction form
    114,658.56/171,998.70 = 44,543.28/x
  3. Step 3: Cross multiply
    114,658.56x = 171,998.70 × 44,543.28
  4. Step 4: Simplify right side
    114,658.56x = 7,661,386,253.74
  5. Step 5: Solve for x
    x = 7,661,386,253.74/114,658.56
  6. Step 6: Final answer
    x = 66,819.14

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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.