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Finding the Fourth Proportional to 121,653.92, 182,480.87 and 62,456.69

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Solution

The fourth proportional to 121,653.92, 182,480.87 and 62,456.69 is: 93,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,653.92 : 182,480.87 = 62,456.69 : x
  2. Step 2: Convert to fraction form
    121,653.92/182,480.87 = 62,456.69/x
  3. Step 3: Cross multiply
    121,653.92x = 182,480.87 × 62,456.69
  4. Step 4: Simplify right side
    121,653.92x = 11,397,151,128.52
  5. Step 5: Solve for x
    x = 11,397,151,128.52/121,653.92
  6. Step 6: Final answer
    x = 93,685.03

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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.