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Finding the Fourth Proportional to 69,107.88, 95,516.18 and 60,917.16

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Solution

The fourth proportional to 69,107.88, 95,516.18 and 60,917.16 is: 84,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,107.88 : 95,516.18 = 60,917.16 : x
  2. Step 2: Convert to fraction form
    69,107.88/95,516.18 = 60,917.16/x
  3. Step 3: Cross multiply
    69,107.88x = 95,516.18 × 60,917.16
  4. Step 4: Simplify right side
    69,107.88x = 5,818,574,419.65
  5. Step 5: Solve for x
    x = 5,818,574,419.65/69,107.88
  6. Step 6: Final answer
    x = 84,195.53

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1.5x scale

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.