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Finding the Fourth Proportional to 224,051.20, 309,187.20 and 123,452.80

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Solution

The fourth proportional to 224,051.20, 309,187.20 and 123,452.80 is: 170,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,051.20 : 309,187.20 = 123,452.80 : x
  2. Step 2: Convert to fraction form
    224,051.20/309,187.20 = 123,452.80/x
  3. Step 3: Cross multiply
    224,051.20x = 309,187.20 × 123,452.80
  4. Step 4: Simplify right side
    224,051.20x = 38,170,025,564.16
  5. Step 5: Solve for x
    x = 38,170,025,564.16/224,051.20
  6. Step 6: Final answer
    x = 170,362.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.