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Finding the Fourth Proportional to 83,808.48, 115,656.18 and 45,568.41

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Solution

The fourth proportional to 83,808.48, 115,656.18 and 45,568.41 is: 62,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,808.48 : 115,656.18 = 45,568.41 : x
  2. Step 2: Convert to fraction form
    83,808.48/115,656.18 = 45,568.41/x
  3. Step 3: Cross multiply
    83,808.48x = 115,656.18 × 45,568.41
  4. Step 4: Simplify right side
    83,808.48x = 5,270,267,624.68
  5. Step 5: Solve for x
    x = 5,270,267,624.68/83,808.48
  6. Step 6: Final answer
    x = 62,884.66

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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.