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Finding the Fourth Proportional to 160,117.25, 220,962.02 and 92,132.87

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Solution

The fourth proportional to 160,117.25, 220,962.02 and 92,132.87 is: 127,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,117.25 : 220,962.02 = 92,132.87 : x
  2. Step 2: Convert to fraction form
    160,117.25/220,962.02 = 92,132.87/x
  3. Step 3: Cross multiply
    160,117.25x = 220,962.02 × 92,132.87
  4. Step 4: Simplify right side
    160,117.25x = 20,357,865,063.60
  5. Step 5: Solve for x
    x = 20,357,865,063.60/160,117.25
  6. Step 6: Final answer
    x = 127,143.48

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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.