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Finding the Fourth Proportional to 295,243.68, 442,939.68 and 84,882

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Solution

The fourth proportional to 295,243.68, 442,939.68 and 84,882 is: 127,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,243.68 : 442,939.68 = 84,882 : x
  2. Step 2: Convert to fraction form
    295,243.68/442,939.68 = 84,882/x
  3. Step 3: Cross multiply
    295,243.68x = 442,939.68 × 84,882
  4. Step 4: Simplify right side
    295,243.68x = 37,597,605,917.76
  5. Step 5: Solve for x
    x = 37,597,605,917.76/295,243.68
  6. Step 6: Final answer
    x = 127,344.32

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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.