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Finding the Fourth Proportional to 88,841.88, 122,589.96 and 57,053.84

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Solution

The fourth proportional to 88,841.88, 122,589.96 and 57,053.84 is: 78,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,841.88 : 122,589.96 = 57,053.84 : x
  2. Step 2: Convert to fraction form
    88,841.88/122,589.96 = 57,053.84/x
  3. Step 3: Cross multiply
    88,841.88x = 122,589.96 × 57,053.84
  4. Step 4: Simplify right side
    88,841.88x = 6,994,227,963.45
  5. Step 5: Solve for x
    x = 6,994,227,963.45/88,841.88
  6. Step 6: Final answer
    x = 78,726.70

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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.