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Finding the Fourth Proportional to 160,053.92, 220,868.76 and 88,432.64

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Solution

The fourth proportional to 160,053.92, 220,868.76 and 88,432.64 is: 122,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,053.92 : 220,868.76 = 88,432.64 : x
  2. Step 2: Convert to fraction form
    160,053.92/220,868.76 = 88,432.64/x
  3. Step 3: Cross multiply
    160,053.92x = 220,868.76 × 88,432.64
  4. Step 4: Simplify right side
    160,053.92x = 19,532,007,540.33
  5. Step 5: Solve for x
    x = 19,532,007,540.33/160,053.92
  6. Step 6: Final answer
    x = 122,033.92

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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.