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Finding the Fourth Proportional to 160,201.90, 240,229.95 and 85,302.82

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Solution

The fourth proportional to 160,201.90, 240,229.95 and 85,302.82 is: 127,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,201.90 : 240,229.95 = 85,302.82 : x
  2. Step 2: Convert to fraction form
    160,201.90/240,229.95 = 85,302.82/x
  3. Step 3: Cross multiply
    160,201.90x = 240,229.95 × 85,302.82
  4. Step 4: Simplify right side
    160,201.90x = 20,492,292,183.46
  5. Step 5: Solve for x
    x = 20,492,292,183.46/160,201.90
  6. Step 6: Final answer
    x = 127,915.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.