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Finding the Fourth Proportional to 88,407.78, 122,000.15 and 48,120.62

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Solution

The fourth proportional to 88,407.78, 122,000.15 and 48,120.62 is: 66,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,407.78 : 122,000.15 = 48,120.62 : x
  2. Step 2: Convert to fraction form
    88,407.78/122,000.15 = 48,120.62/x
  3. Step 3: Cross multiply
    88,407.78x = 122,000.15 × 48,120.62
  4. Step 4: Simplify right side
    88,407.78x = 5,870,722,007.49
  5. Step 5: Solve for x
    x = 5,870,722,007.49/88,407.78
  6. Step 6: Final answer
    x = 66,405.04

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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.