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Finding the Fourth Proportional to 149,348.88, 206,057.52 and 88,889.13

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Solution

The fourth proportional to 149,348.88, 206,057.52 and 88,889.13 is: 122,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,348.88 : 206,057.52 = 88,889.13 : x
  2. Step 2: Convert to fraction form
    149,348.88/206,057.52 = 88,889.13/x
  3. Step 3: Cross multiply
    149,348.88x = 206,057.52 × 88,889.13
  4. Step 4: Simplify right side
    149,348.88x = 18,316,273,682.76
  5. Step 5: Solve for x
    x = 18,316,273,682.76/149,348.88
  6. Step 6: Final answer
    x = 122,640.85

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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.