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Finding the Fourth Proportional to 265,902.87, 398,859.77 and 88,411.41

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Solution

The fourth proportional to 265,902.87, 398,859.77 and 88,411.41 is: 132,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,902.87 : 398,859.77 = 88,411.41 : x
  2. Step 2: Convert to fraction form
    265,902.87/398,859.77 = 88,411.41/x
  3. Step 3: Cross multiply
    265,902.87x = 398,859.77 × 88,411.41
  4. Step 4: Simplify right side
    265,902.87x = 35,263,754,215.92
  5. Step 5: Solve for x
    x = 35,263,754,215.92/265,902.87
  6. Step 6: Final answer
    x = 132,618.93

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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.