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Finding the Fourth Proportional to 88,841.65, 122,589.66 and 57,053.60

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Solution

The fourth proportional to 88,841.65, 122,589.66 and 57,053.60 is: 78,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,841.65 : 122,589.66 = 57,053.60 : x
  2. Step 2: Convert to fraction form
    88,841.65/122,589.66 = 57,053.60/x
  3. Step 3: Cross multiply
    88,841.65x = 122,589.66 × 57,053.60
  4. Step 4: Simplify right side
    88,841.65x = 6,994,181,425.78
  5. Step 5: Solve for x
    x = 6,994,181,425.78/88,841.65
  6. Step 6: Final answer
    x = 78,726.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.