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Finding the Fourth Proportional to 217,294.25, 325,962.50 and 67,494.24

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Solution

The fourth proportional to 217,294.25, 325,962.50 and 67,494.24 is: 101,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,294.25 : 325,962.50 = 67,494.24 : x
  2. Step 2: Convert to fraction form
    217,294.25/325,962.50 = 67,494.24/x
  3. Step 3: Cross multiply
    217,294.25x = 325,962.50 × 67,494.24
  4. Step 4: Simplify right side
    217,294.25x = 22,000,590,868.53
  5. Step 5: Solve for x
    x = 22,000,590,868.53/217,294.25
  6. Step 6: Final answer
    x = 101,247.92

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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.