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Finding the Fourth Proportional to 224,035.48, 309,168.80 and 123,433.48

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Solution

The fourth proportional to 224,035.48, 309,168.80 and 123,433.48 is: 170,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,035.48 : 309,168.80 = 123,433.48 : x
  2. Step 2: Convert to fraction form
    224,035.48/309,168.80 = 123,433.48/x
  3. Step 3: Cross multiply
    224,035.48x = 309,168.80 × 123,433.48
  4. Step 4: Simplify right side
    224,035.48x = 38,161,780,891.42
  5. Step 5: Solve for x
    x = 38,161,780,891.42/224,035.48
  6. Step 6: Final answer
    x = 170,338.11

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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.