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Finding the Fourth Proportional to 295,253.76, 442,882.80 and 126,631.80

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Solution

The fourth proportional to 295,253.76, 442,882.80 and 126,631.80 is: 189,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,253.76 : 442,882.80 = 126,631.80 : x
  2. Step 2: Convert to fraction form
    295,253.76/442,882.80 = 126,631.80/x
  3. Step 3: Cross multiply
    295,253.76x = 442,882.80 × 126,631.80
  4. Step 4: Simplify right side
    295,253.76x = 56,083,046,153.04
  5. Step 5: Solve for x
    x = 56,083,046,153.04/295,253.76
  6. Step 6: Final answer
    x = 189,948.63

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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.