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Finding the Fourth Proportional to 224,019.20, 336,021.60 and 74,266.40

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Solution

The fourth proportional to 224,019.20, 336,021.60 and 74,266.40 is: 111,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,019.20 : 336,021.60 = 74,266.40 : x
  2. Step 2: Convert to fraction form
    224,019.20/336,021.60 = 74,266.40/x
  3. Step 3: Cross multiply
    224,019.20x = 336,021.60 × 74,266.40
  4. Step 4: Simplify right side
    224,019.20x = 24,955,114,554.24
  5. Step 5: Solve for x
    x = 24,955,114,554.24/224,019.20
  6. Step 6: Final answer
    x = 111,397.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.