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Finding the Fourth Proportional to 70,201.42, 96,876.52 and 38,370.54

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Solution

The fourth proportional to 70,201.42, 96,876.52 and 38,370.54 is: 52,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,201.42 : 96,876.52 = 38,370.54 : x
  2. Step 2: Convert to fraction form
    70,201.42/96,876.52 = 38,370.54/x
  3. Step 3: Cross multiply
    70,201.42x = 96,876.52 × 38,370.54
  4. Step 4: Simplify right side
    70,201.42x = 3,717,204,868.92
  5. Step 5: Solve for x
    x = 3,717,204,868.92/70,201.42
  6. Step 6: Final answer
    x = 52,950.57

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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.