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Finding the Fourth Proportional to 114,400.98, 171,499.40 and 58,209.66

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Solution

The fourth proportional to 114,400.98, 171,499.40 and 58,209.66 is: 87,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,400.98 : 171,499.40 = 58,209.66 : x
  2. Step 2: Convert to fraction form
    114,400.98/171,499.40 = 58,209.66/x
  3. Step 3: Cross multiply
    114,400.98x = 171,499.40 × 58,209.66
  4. Step 4: Simplify right side
    114,400.98x = 9,982,921,764.20
  5. Step 5: Solve for x
    x = 9,982,921,764.20/114,400.98
  6. Step 6: Final answer
    x = 87,262.55

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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.