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Finding the Fourth Proportional to 83,701, 125,585.66 and 44,247.56

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Solution

The fourth proportional to 83,701, 125,585.66 and 44,247.56 is: 66,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,701 : 125,585.66 = 44,247.56 : x
  2. Step 2: Convert to fraction form
    83,701/125,585.66 = 44,247.56/x
  3. Step 3: Cross multiply
    83,701x = 125,585.66 × 44,247.56
  4. Step 4: Simplify right side
    83,701x = 5,556,859,025.99
  5. Step 5: Solve for x
    x = 5,556,859,025.99/83,701
  6. Step 6: Final answer
    x = 66,389.40

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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.