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Finding the Fourth Proportional to 111,753.66, 154,220.37 and 60,766.41

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Solution

The fourth proportional to 111,753.66, 154,220.37 and 60,766.41 is: 83,857.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,753.66 : 154,220.37 = 60,766.41 : x
  2. Step 2: Convert to fraction form
    111,753.66/154,220.37 = 60,766.41/x
  3. Step 3: Cross multiply
    111,753.66x = 154,220.37 × 60,766.41
  4. Step 4: Simplify right side
    111,753.66x = 9,371,418,233.77
  5. Step 5: Solve for x
    x = 9,371,418,233.77/111,753.66
  6. Step 6: Final answer
    x = 83,857.82

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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.