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Finding the Fourth Proportional to 76,218.90, 114,287.10 and 60,524.90

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Solution

The fourth proportional to 76,218.90, 114,287.10 and 60,524.90 is: 90,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,218.90 : 114,287.10 = 60,524.90 : x
  2. Step 2: Convert to fraction form
    76,218.90/114,287.10 = 60,524.90/x
  3. Step 3: Cross multiply
    76,218.90x = 114,287.10 × 60,524.90
  4. Step 4: Simplify right side
    76,218.90x = 6,917,214,727.35
  5. Step 5: Solve for x
    x = 6,917,214,727.35/76,218.90
  6. Step 6: Final answer
    x = 90,754.59

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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.