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Finding the Fourth Proportional to 160,593.30, 221,630.76 and 88,979.94

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Solution

The fourth proportional to 160,593.30, 221,630.76 and 88,979.94 is: 122,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,593.30 : 221,630.76 = 88,979.94 : x
  2. Step 2: Convert to fraction form
    160,593.30/221,630.76 = 88,979.94/x
  3. Step 3: Cross multiply
    160,593.30x = 221,630.76 × 88,979.94
  4. Step 4: Simplify right side
    160,593.30x = 19,720,691,726.95
  5. Step 5: Solve for x
    x = 19,720,691,726.95/160,593.30
  6. Step 6: Final answer
    x = 122,798.97

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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.