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Finding the Fourth Proportional to 107,882.46, 148,879.74 and 60,130.68

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Solution

The fourth proportional to 107,882.46, 148,879.74 and 60,130.68 is: 82,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,882.46 : 148,879.74 = 60,130.68 : x
  2. Step 2: Convert to fraction form
    107,882.46/148,879.74 = 60,130.68/x
  3. Step 3: Cross multiply
    107,882.46x = 148,879.74 × 60,130.68
  4. Step 4: Simplify right side
    107,882.46x = 8,952,240,004.42
  5. Step 5: Solve for x
    x = 8,952,240,004.42/107,882.46
  6. Step 6: Final answer
    x = 82,981.42

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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.