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Finding the Fourth Proportional to 244,966.32, 338,042.48 and 137,534.40

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Solution

The fourth proportional to 244,966.32, 338,042.48 and 137,534.40 is: 189,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,966.32 : 338,042.48 = 137,534.40 : x
  2. Step 2: Convert to fraction form
    244,966.32/338,042.48 = 137,534.40/x
  3. Step 3: Cross multiply
    244,966.32x = 338,042.48 × 137,534.40
  4. Step 4: Simplify right side
    244,966.32x = 46,492,469,661.31
  5. Step 5: Solve for x
    x = 46,492,469,661.31/244,966.32
  6. Step 6: Final answer
    x = 189,791.27

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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.