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Finding the Fourth Proportional to 160,915.82, 222,063.11 and 89,295.68

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Solution

The fourth proportional to 160,915.82, 222,063.11 and 89,295.68 is: 123,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,915.82 : 222,063.11 = 89,295.68 : x
  2. Step 2: Convert to fraction form
    160,915.82/222,063.11 = 89,295.68/x
  3. Step 3: Cross multiply
    160,915.82x = 222,063.11 × 89,295.68
  4. Step 4: Simplify right side
    160,915.82x = 19,829,274,853.57
  5. Step 5: Solve for x
    x = 19,829,274,853.57/160,915.82
  6. Step 6: Final answer
    x = 123,227.63

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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.