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Finding the Fourth Proportional to 252,580.67, 348,568.56 and 137,866.44

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Solution

The fourth proportional to 252,580.67, 348,568.56 and 137,866.44 is: 190,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,580.67 : 348,568.56 = 137,866.44 : x
  2. Step 2: Convert to fraction form
    252,580.67/348,568.56 = 137,866.44/x
  3. Step 3: Cross multiply
    252,580.67x = 348,568.56 × 137,866.44
  4. Step 4: Simplify right side
    252,580.67x = 48,055,906,463.13
  5. Step 5: Solve for x
    x = 48,055,906,463.13/252,580.67
  6. Step 6: Final answer
    x = 190,259.64

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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.