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Finding the Fourth Proportional to 160,042.42, 220,839.72 and 88,418.17

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Solution

The fourth proportional to 160,042.42, 220,839.72 and 88,418.17 is: 122,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,042.42 : 220,839.72 = 88,418.17 : x
  2. Step 2: Convert to fraction form
    160,042.42/220,839.72 = 88,418.17/x
  3. Step 3: Cross multiply
    160,042.42x = 220,839.72 × 88,418.17
  4. Step 4: Simplify right side
    160,042.42x = 19,526,244,457.81
  5. Step 5: Solve for x
    x = 19,526,244,457.81/160,042.42
  6. Step 6: Final answer
    x = 122,006.68

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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.