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Finding the Fourth Proportional to 160,600.92, 221,626.39 and 88,979.50

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Solution

The fourth proportional to 160,600.92, 221,626.39 and 88,979.50 is: 122,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,600.92 : 221,626.39 = 88,979.50 : x
  2. Step 2: Convert to fraction form
    160,600.92/221,626.39 = 88,979.50/x
  3. Step 3: Cross multiply
    160,600.92x = 221,626.39 × 88,979.50
  4. Step 4: Simplify right side
    160,600.92x = 19,720,205,369.01
  5. Step 5: Solve for x
    x = 19,720,205,369.01/160,600.92
  6. Step 6: Final answer
    x = 122,790.11

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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.