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Finding the Fourth Proportional to 160,951.89, 222,113.55 and 89,331.87

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Solution

The fourth proportional to 160,951.89, 222,113.55 and 89,331.87 is: 123,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,951.89 : 222,113.55 = 89,331.87 : x
  2. Step 2: Convert to fraction form
    160,951.89/222,113.55 = 89,331.87/x
  3. Step 3: Cross multiply
    160,951.89x = 222,113.55 × 89,331.87
  4. Step 4: Simplify right side
    160,951.89x = 19,841,818,773.84
  5. Step 5: Solve for x
    x = 19,841,818,773.84/160,951.89
  6. Step 6: Final answer
    x = 123,277.95

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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.