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Finding the Fourth Proportional to 235,679.79, 353,522.97 and 67,200.18

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Solution

The fourth proportional to 235,679.79, 353,522.97 and 67,200.18 is: 100,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,679.79 : 353,522.97 = 67,200.18 : x
  2. Step 2: Convert to fraction form
    235,679.79/353,522.97 = 67,200.18/x
  3. Step 3: Cross multiply
    235,679.79x = 353,522.97 × 67,200.18
  4. Step 4: Simplify right side
    235,679.79x = 23,756,807,218.13
  5. Step 5: Solve for x
    x = 23,756,807,218.13/235,679.79
  6. Step 6: Final answer
    x = 100,801.21

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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.