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Finding the Fourth Proportional to 207,244.52, 310,866.78 and 137,107.46

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Solution

The fourth proportional to 207,244.52, 310,866.78 and 137,107.46 is: 205,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,244.52 : 310,866.78 = 137,107.46 : x
  2. Step 2: Convert to fraction form
    207,244.52/310,866.78 = 137,107.46/x
  3. Step 3: Cross multiply
    207,244.52x = 310,866.78 × 137,107.46
  4. Step 4: Simplify right side
    207,244.52x = 42,622,154,604.18
  5. Step 5: Solve for x
    x = 42,622,154,604.18/207,244.52
  6. Step 6: Final answer
    x = 205,661.19

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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.