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Finding the Fourth Proportional to 224,034, 336,059.16 and 74,287.38

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Solution

The fourth proportional to 224,034, 336,059.16 and 74,287.38 is: 111,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,034 : 336,059.16 = 74,287.38 : x
  2. Step 2: Convert to fraction form
    224,034/336,059.16 = 74,287.38/x
  3. Step 3: Cross multiply
    224,034x = 336,059.16 × 74,287.38
  4. Step 4: Simplify right side
    224,034x = 24,964,954,521.40
  5. Step 5: Solve for x
    x = 24,964,954,521.40/224,034
  6. Step 6: Final answer
    x = 111,433.78

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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.