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Finding the Fourth Proportional to 69,106.88, 95,514.80 and 60,916.16

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Solution

The fourth proportional to 69,106.88, 95,514.80 and 60,916.16 is: 84,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,106.88 : 95,514.80 = 60,916.16 : x
  2. Step 2: Convert to fraction form
    69,106.88/95,514.80 = 60,916.16/x
  3. Step 3: Cross multiply
    69,106.88x = 95,514.80 × 60,916.16
  4. Step 4: Simplify right side
    69,106.88x = 5,818,394,839.17
  5. Step 5: Solve for x
    x = 5,818,394,839.17/69,106.88
  6. Step 6: Final answer
    x = 84,194.15

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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.