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Finding the Fourth Proportional to 224,764.20, 336,708.90 and 124,745.40

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Solution

The fourth proportional to 224,764.20, 336,708.90 and 124,745.40 is: 186,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,764.20 : 336,708.90 = 124,745.40 : x
  2. Step 2: Convert to fraction form
    224,764.20/336,708.90 = 124,745.40/x
  3. Step 3: Cross multiply
    224,764.20x = 336,708.90 × 124,745.40
  4. Step 4: Simplify right side
    224,764.20x = 42,002,886,414.06
  5. Step 5: Solve for x
    x = 42,002,886,414.06/224,764.20
  6. Step 6: Final answer
    x = 186,875.34

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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.