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Finding the Fourth Proportional to 244,551.90, 337,497.75 and 137,128.80

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Solution

The fourth proportional to 244,551.90, 337,497.75 and 137,128.80 is: 189,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,551.90 : 337,497.75 = 137,128.80 : x
  2. Step 2: Convert to fraction form
    244,551.90/337,497.75 = 137,128.80/x
  3. Step 3: Cross multiply
    244,551.90x = 337,497.75 × 137,128.80
  4. Step 4: Simplify right side
    244,551.90x = 46,280,661,460.20
  5. Step 5: Solve for x
    x = 46,280,661,460.20/244,551.90
  6. Step 6: Final answer
    x = 189,246.79

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1.5x scale

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.