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Finding the Fourth Proportional to 100,881.80, 151,409.10 and 44,808.20

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Solution

The fourth proportional to 100,881.80, 151,409.10 and 44,808.20 is: 67,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,881.80 : 151,409.10 = 44,808.20 : x
  2. Step 2: Convert to fraction form
    100,881.80/151,409.10 = 44,808.20/x
  3. Step 3: Cross multiply
    100,881.80x = 151,409.10 × 44,808.20
  4. Step 4: Simplify right side
    100,881.80x = 6,784,369,234.62
  5. Step 5: Solve for x
    x = 6,784,369,234.62/100,881.80
  6. Step 6: Final answer
    x = 67,250.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.