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Finding the Fourth Proportional to 70,194.33, 96,872.85 and 39,574.98

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Solution

The fourth proportional to 70,194.33, 96,872.85 and 39,574.98 is: 54,616.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,194.33 : 96,872.85 = 39,574.98 : x
  2. Step 2: Convert to fraction form
    70,194.33/96,872.85 = 39,574.98/x
  3. Step 3: Cross multiply
    70,194.33x = 96,872.85 × 39,574.98
  4. Step 4: Simplify right side
    70,194.33x = 3,833,741,101.29
  5. Step 5: Solve for x
    x = 3,833,741,101.29/70,194.33
  6. Step 6: Final answer
    x = 54,616.11

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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.