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Finding the Fourth Proportional to 224,339.70, 335,719.67 and 140,139.52

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Solution

The fourth proportional to 224,339.70, 335,719.67 and 140,139.52 is: 209,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,339.70 : 335,719.67 = 140,139.52 : x
  2. Step 2: Convert to fraction form
    224,339.70/335,719.67 = 140,139.52/x
  3. Step 3: Cross multiply
    224,339.70x = 335,719.67 × 140,139.52
  4. Step 4: Simplify right side
    224,339.70x = 47,047,593,408.36
  5. Step 5: Solve for x
    x = 47,047,593,408.36/224,339.70
  6. Step 6: Final answer
    x = 209,715.86

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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.