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Finding the Fourth Proportional to 86,706.08, 119,654.03 and 48,465.57

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Solution

The fourth proportional to 86,706.08, 119,654.03 and 48,465.57 is: 66,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,706.08 : 119,654.03 = 48,465.57 : x
  2. Step 2: Convert to fraction form
    86,706.08/119,654.03 = 48,465.57/x
  3. Step 3: Cross multiply
    86,706.08x = 119,654.03 × 48,465.57
  4. Step 4: Simplify right side
    86,706.08x = 5,799,100,524.42
  5. Step 5: Solve for x
    x = 5,799,100,524.42/86,706.08
  6. Step 6: Final answer
    x = 66,882.29

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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.