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Finding the Fourth Proportional to 124,124.56, 171,286.80 and 67,535.96

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Solution

The fourth proportional to 124,124.56, 171,286.80 and 67,535.96 is: 93,196.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,124.56 : 171,286.80 = 67,535.96 : x
  2. Step 2: Convert to fraction form
    124,124.56/171,286.80 = 67,535.96/x
  3. Step 3: Cross multiply
    124,124.56x = 171,286.80 × 67,535.96
  4. Step 4: Simplify right side
    124,124.56x = 11,568,018,473.33
  5. Step 5: Solve for x
    x = 11,568,018,473.33/124,124.56
  6. Step 6: Final answer
    x = 93,196.85

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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.