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Finding the Fourth Proportional to 59,242.16, 81,763.08 and 34,086.80

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Solution

The fourth proportional to 59,242.16, 81,763.08 and 34,086.80 is: 47,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,242.16 : 81,763.08 = 34,086.80 : x
  2. Step 2: Convert to fraction form
    59,242.16/81,763.08 = 34,086.80/x
  3. Step 3: Cross multiply
    59,242.16x = 81,763.08 × 34,086.80
  4. Step 4: Simplify right side
    59,242.16x = 2,787,041,755.34
  5. Step 5: Solve for x
    x = 2,787,041,755.34/59,242.16
  6. Step 6: Final answer
    x = 47,044.90

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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.