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Finding the Fourth Proportional to 88,568.92, 122,221.50 and 48,281.80

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Solution

The fourth proportional to 88,568.92, 122,221.50 and 48,281.80 is: 66,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,568.92 : 122,221.50 = 48,281.80 : x
  2. Step 2: Convert to fraction form
    88,568.92/122,221.50 = 48,281.80/x
  3. Step 3: Cross multiply
    88,568.92x = 122,221.50 × 48,281.80
  4. Step 4: Simplify right side
    88,568.92x = 5,901,074,018.70
  5. Step 5: Solve for x
    x = 5,901,074,018.70/88,568.92
  6. Step 6: Final answer
    x = 66,626.92

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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.