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Finding the Fourth Proportional to 121,152.65, 181,766.16 and 62,029.82

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Solution

The fourth proportional to 121,152.65, 181,766.16 and 62,029.82 is: 93,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,152.65 : 181,766.16 = 62,029.82 : x
  2. Step 2: Convert to fraction form
    121,152.65/181,766.16 = 62,029.82/x
  3. Step 3: Cross multiply
    121,152.65x = 181,766.16 × 62,029.82
  4. Step 4: Simplify right side
    121,152.65x = 11,274,922,641.31
  5. Step 5: Solve for x
    x = 11,274,922,641.31/121,152.65
  6. Step 6: Final answer
    x = 93,063.78

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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.