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Finding the Fourth Proportional to 295,279.89, 442,990.38 and 95,600.49

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Solution

The fourth proportional to 295,279.89, 442,990.38 and 95,600.49 is: 143,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,279.89 : 442,990.38 = 95,600.49 : x
  2. Step 2: Convert to fraction form
    295,279.89/442,990.38 = 95,600.49/x
  3. Step 3: Cross multiply
    295,279.89x = 442,990.38 × 95,600.49
  4. Step 4: Simplify right side
    295,279.89x = 42,350,097,393.29
  5. Step 5: Solve for x
    x = 42,350,097,393.29/295,279.89
  6. Step 6: Final answer
    x = 143,423.57

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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.