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Finding the Fourth Proportional to 265,953.60, 398,597.76 and 132,871.14

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Solution

The fourth proportional to 265,953.60, 398,597.76 and 132,871.14 is: 199,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,953.60 : 398,597.76 = 132,871.14 : x
  2. Step 2: Convert to fraction form
    265,953.60/398,597.76 = 132,871.14/x
  3. Step 3: Cross multiply
    265,953.60x = 398,597.76 × 132,871.14
  4. Step 4: Simplify right side
    265,953.60x = 52,962,138,772.65
  5. Step 5: Solve for x
    x = 52,962,138,772.65/265,953.60
  6. Step 6: Final answer
    x = 199,140.52

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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.