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Finding the Fourth Proportional to 265,922.92, 398,887.89 and 88,429.96

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Solution

The fourth proportional to 265,922.92, 398,887.89 and 88,429.96 is: 132,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,922.92 : 398,887.89 = 88,429.96 : x
  2. Step 2: Convert to fraction form
    265,922.92/398,887.89 = 88,429.96/x
  3. Step 3: Cross multiply
    265,922.92x = 398,887.89 × 88,429.96
  4. Step 4: Simplify right side
    265,922.92x = 35,273,640,157.18
  5. Step 5: Solve for x
    x = 35,273,640,157.18/265,922.92
  6. Step 6: Final answer
    x = 132,646.11

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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.