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Finding the Fourth Proportional to 100,266.60, 150,432.30 and 67,024.20

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Solution

The fourth proportional to 100,266.60, 150,432.30 and 67,024.20 is: 100,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,266.60 : 150,432.30 = 67,024.20 : x
  2. Step 2: Convert to fraction form
    100,266.60/150,432.30 = 67,024.20/x
  3. Step 3: Cross multiply
    100,266.60x = 150,432.30 × 67,024.20
  4. Step 4: Simplify right side
    100,266.60x = 10,082,604,561.66
  5. Step 5: Solve for x
    x = 10,082,604,561.66/100,266.60
  6. Step 6: Final answer
    x = 100,557.96

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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.