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Finding the Fourth Proportional to 77,233.80, 115,850.70 and 32,849.40

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Solution

The fourth proportional to 77,233.80, 115,850.70 and 32,849.40 is: 49,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,233.80 : 115,850.70 = 32,849.40 : x
  2. Step 2: Convert to fraction form
    77,233.80/115,850.70 = 32,849.40/x
  3. Step 3: Cross multiply
    77,233.80x = 115,850.70 × 32,849.40
  4. Step 4: Simplify right side
    77,233.80x = 3,805,625,984.58
  5. Step 5: Solve for x
    x = 3,805,625,984.58/77,233.80
  6. Step 6: Final answer
    x = 49,274.10

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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.