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Finding the Fourth Proportional to 295,215,127.70, 442,822,691.55 and 79,804,375.70

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Solution

The fourth proportional to 295,215,127.70, 442,822,691.55 and 79,804,375.70 is: 119,706,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,215,127.70 : 442,822,691.55 = 79,804,375.70 : x
  2. Step 2: Convert to fraction form
    295,215,127.70/442,822,691.55 = 79,804,375.70/x
  3. Step 3: Cross multiply
    295,215,127.70x = 442,822,691.55 × 79,804,375.70
  4. Step 4: Simplify right side
    295,215,127.70x = 35,339,188,444,941,416
  5. Step 5: Solve for x
    x = 35,339,188,444,941,416/295,215,127.70
  6. Step 6: Final answer
    x = 119,706,563.55

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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.