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Finding the Fourth Proportional to 224,343.95, 336,443.13 and 74,544.02

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Solution

The fourth proportional to 224,343.95, 336,443.13 and 74,544.02 is: 111,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,343.95 : 336,443.13 = 74,544.02 : x
  2. Step 2: Convert to fraction form
    224,343.95/336,443.13 = 74,544.02/x
  3. Step 3: Cross multiply
    224,343.95x = 336,443.13 × 74,544.02
  4. Step 4: Simplify right side
    224,343.95x = 25,079,823,411.58
  5. Step 5: Solve for x
    x = 25,079,823,411.58/224,343.95
  6. Step 6: Final answer
    x = 111,791.84

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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.