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Finding the Fourth Proportional to 224,446.36, 336,432.87 and 74,646.58

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Solution

The fourth proportional to 224,446.36, 336,432.87 and 74,646.58 is: 111,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,446.36 : 336,432.87 = 74,646.58 : x
  2. Step 2: Convert to fraction form
    224,446.36/336,432.87 = 74,646.58/x
  3. Step 3: Cross multiply
    224,446.36x = 336,432.87 × 74,646.58
  4. Step 4: Simplify right side
    224,446.36x = 25,113,563,145.08
  5. Step 5: Solve for x
    x = 25,113,563,145.08/224,446.36
  6. Step 6: Final answer
    x = 111,891.16

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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.