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Finding the Fourth Proportional to 132,988.88, 199,426.68 and 44,218.64

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Solution

The fourth proportional to 132,988.88, 199,426.68 and 44,218.64 is: 66,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,988.88 : 199,426.68 = 44,218.64 : x
  2. Step 2: Convert to fraction form
    132,988.88/199,426.68 = 44,218.64/x
  3. Step 3: Cross multiply
    132,988.88x = 199,426.68 × 44,218.64
  4. Step 4: Simplify right side
    132,988.88x = 8,818,376,569.32
  5. Step 5: Solve for x
    x = 8,818,376,569.32/132,988.88
  6. Step 6: Final answer
    x = 66,309.13

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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.