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Finding the Fourth Proportional to 244,729.78, 337,730.38 and 137,293.40

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Solution

The fourth proportional to 244,729.78, 337,730.38 and 137,293.40 is: 189,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,729.78 : 337,730.38 = 137,293.40 : x
  2. Step 2: Convert to fraction form
    244,729.78/337,730.38 = 137,293.40/x
  3. Step 3: Cross multiply
    244,729.78x = 337,730.38 × 137,293.40
  4. Step 4: Simplify right side
    244,729.78x = 46,368,152,153.49
  5. Step 5: Solve for x
    x = 46,368,152,153.49/244,729.78
  6. Step 6: Final answer
    x = 189,466.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.