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Finding the Fourth Proportional to 70,195.82, 96,626.13 and 61,227.70

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Solution

The fourth proportional to 70,195.82, 96,626.13 and 61,227.70 is: 84,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,195.82 : 96,626.13 = 61,227.70 : x
  2. Step 2: Convert to fraction form
    70,195.82/96,626.13 = 61,227.70/x
  3. Step 3: Cross multiply
    70,195.82x = 96,626.13 × 61,227.70
  4. Step 4: Simplify right side
    70,195.82x = 5,916,195,699.80
  5. Step 5: Solve for x
    x = 5,916,195,699.80/70,195.82
  6. Step 6: Final answer
    x = 84,281.31

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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.