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Finding the Fourth Proportional to 121,152.39, 181,765.79 and 62,029.57

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Solution

The fourth proportional to 121,152.39, 181,765.79 and 62,029.57 is: 93,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,152.39 : 181,765.79 = 62,029.57 : x
  2. Step 2: Convert to fraction form
    121,152.39/181,765.79 = 62,029.57/x
  3. Step 3: Cross multiply
    121,152.39x = 181,765.79 × 62,029.57
  4. Step 4: Simplify right side
    121,152.39x = 11,274,853,794.41
  5. Step 5: Solve for x
    x = 11,274,853,794.41/121,152.39
  6. Step 6: Final answer
    x = 93,063.40

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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.