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Finding the Fourth Proportional to 265,964.28, 398,613.24 and 132,881.64

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Solution

The fourth proportional to 265,964.28, 398,613.24 and 132,881.64 is: 199,156.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,964.28 : 398,613.24 = 132,881.64 : x
  2. Step 2: Convert to fraction form
    265,964.28/398,613.24 = 132,881.64/x
  3. Step 3: Cross multiply
    265,964.28x = 398,613.24 × 132,881.64
  4. Step 4: Simplify right side
    265,964.28x = 52,968,381,056.91
  5. Step 5: Solve for x
    x = 52,968,381,056.91/265,964.28
  6. Step 6: Final answer
    x = 199,156.00

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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.