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Finding the Fourth Proportional to 88,608.85, 122,280.39 and 48,322.90

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Solution

The fourth proportional to 88,608.85, 122,280.39 and 48,322.90 is: 66,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,608.85 : 122,280.39 = 48,322.90 : x
  2. Step 2: Convert to fraction form
    88,608.85/122,280.39 = 48,322.90/x
  3. Step 3: Cross multiply
    88,608.85x = 122,280.39 × 48,322.90
  4. Step 4: Simplify right side
    88,608.85x = 5,908,943,057.93
  5. Step 5: Solve for x
    x = 5,908,943,057.93/88,608.85
  6. Step 6: Final answer
    x = 66,685.70

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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.