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Finding the Fourth Proportional to 282,366.59, 423,425.54 and 132,649.43

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Solution

The fourth proportional to 282,366.59, 423,425.54 and 132,649.43 is: 198,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,366.59 : 423,425.54 = 132,649.43 : x
  2. Step 2: Convert to fraction form
    282,366.59/423,425.54 = 132,649.43/x
  3. Step 3: Cross multiply
    282,366.59x = 423,425.54 × 132,649.43
  4. Step 4: Simplify right side
    282,366.59x = 56,167,154,742.94
  5. Step 5: Solve for x
    x = 56,167,154,742.94/282,366.59
  6. Step 6: Final answer
    x = 198,915.73

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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.