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Finding the Fourth Proportional to 67,024.40, 100,450.20 and 40,701.20

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Solution

The fourth proportional to 67,024.40, 100,450.20 and 40,701.20 is: 60,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,024.40 : 100,450.20 = 40,701.20 : x
  2. Step 2: Convert to fraction form
    67,024.40/100,450.20 = 40,701.20/x
  3. Step 3: Cross multiply
    67,024.40x = 100,450.20 × 40,701.20
  4. Step 4: Simplify right side
    67,024.40x = 4,088,443,680.24
  5. Step 5: Solve for x
    x = 4,088,443,680.24/67,024.40
  6. Step 6: Final answer
    x = 60,999.33

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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.