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Finding the Fourth Proportional to 72,230.46, 108,344.88 and 22,304.91

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Solution

The fourth proportional to 72,230.46, 108,344.88 and 22,304.91 is: 33,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,230.46 : 108,344.88 = 22,304.91 : x
  2. Step 2: Convert to fraction form
    72,230.46/108,344.88 = 22,304.91/x
  3. Step 3: Cross multiply
    72,230.46x = 108,344.88 × 22,304.91
  4. Step 4: Simplify right side
    72,230.46x = 2,416,622,797.36
  5. Step 5: Solve for x
    x = 2,416,622,797.36/72,230.46
  6. Step 6: Final answer
    x = 33,457.11

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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.