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Finding the Fourth Proportional to 107,756.88, 148,704.12 and 60,010.80

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Solution

The fourth proportional to 107,756.88, 148,704.12 and 60,010.80 is: 82,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,756.88 : 148,704.12 = 60,010.80 : x
  2. Step 2: Convert to fraction form
    107,756.88/148,704.12 = 60,010.80/x
  3. Step 3: Cross multiply
    107,756.88x = 148,704.12 × 60,010.80
  4. Step 4: Simplify right side
    107,756.88x = 8,923,853,204.50
  5. Step 5: Solve for x
    x = 8,923,853,204.50/107,756.88
  6. Step 6: Final answer
    x = 82,814.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.