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Finding the Fourth Proportional to 215,470.55, 323,055.92 and 95,462.39

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Solution

The fourth proportional to 215,470.55, 323,055.92 and 95,462.39 is: 143,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,470.55 : 323,055.92 = 95,462.39 : x
  2. Step 2: Convert to fraction form
    215,470.55/323,055.92 = 95,462.39/x
  3. Step 3: Cross multiply
    215,470.55x = 323,055.92 × 95,462.39
  4. Step 4: Simplify right side
    215,470.55x = 30,839,690,226.85
  5. Step 5: Solve for x
    x = 30,839,690,226.85/215,470.55
  6. Step 6: Final answer
    x = 143,127.17

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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.