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Finding the Fourth Proportional to 267,881.40, 369,699.02 and 147,043.15

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Solution

The fourth proportional to 267,881.40, 369,699.02 and 147,043.15 is: 202,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,881.40 : 369,699.02 = 147,043.15 : x
  2. Step 2: Convert to fraction form
    267,881.40/369,699.02 = 147,043.15/x
  3. Step 3: Cross multiply
    267,881.40x = 369,699.02 × 147,043.15
  4. Step 4: Simplify right side
    267,881.40x = 54,361,708,452.71
  5. Step 5: Solve for x
    x = 54,361,708,452.71/267,881.40
  6. Step 6: Final answer
    x = 202,932.00

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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.