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Finding the Fourth Proportional to 115,471, 173,211.54 and 36,591.04

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Solution

The fourth proportional to 115,471, 173,211.54 and 36,591.04 is: 54,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,471 : 173,211.54 = 36,591.04 : x
  2. Step 2: Convert to fraction form
    115,471/173,211.54 = 36,591.04/x
  3. Step 3: Cross multiply
    115,471x = 173,211.54 × 36,591.04
  4. Step 4: Simplify right side
    115,471x = 6,337,990,388.60
  5. Step 5: Solve for x
    x = 6,337,990,388.60/115,471
  6. Step 6: Final answer
    x = 54,888.16

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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.