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Finding the Fourth Proportional to 116,885.92, 175,395.84 and 49,412.56

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Solution

The fourth proportional to 116,885.92, 175,395.84 and 49,412.56 is: 74,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,885.92 : 175,395.84 = 49,412.56 : x
  2. Step 2: Convert to fraction form
    116,885.92/175,395.84 = 49,412.56/x
  3. Step 3: Cross multiply
    116,885.92x = 175,395.84 × 49,412.56
  4. Step 4: Simplify right side
    116,885.92x = 8,666,757,467.75
  5. Step 5: Solve for x
    x = 8,666,757,467.75/116,885.92
  6. Step 6: Final answer
    x = 74,147.15

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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.