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Finding the Fourth Proportional to 192,211.20, 288,316.80 and 183,463.20

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Solution

The fourth proportional to 192,211.20, 288,316.80 and 183,463.20 is: 275,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,211.20 : 288,316.80 = 183,463.20 : x
  2. Step 2: Convert to fraction form
    192,211.20/288,316.80 = 183,463.20/x
  3. Step 3: Cross multiply
    192,211.20x = 288,316.80 × 183,463.20
  4. Step 4: Simplify right side
    192,211.20x = 52,895,522,741.76
  5. Step 5: Solve for x
    x = 52,895,522,741.76/192,211.20
  6. Step 6: Final answer
    x = 275,194.80

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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.