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Finding the Fourth Proportional to 252,266.82, 348,130.92 and 137,544.54

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Solution

The fourth proportional to 252,266.82, 348,130.92 and 137,544.54 is: 189,812.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,266.82 : 348,130.92 = 137,544.54 : x
  2. Step 2: Convert to fraction form
    252,266.82/348,130.92 = 137,544.54/x
  3. Step 3: Cross multiply
    252,266.82x = 348,130.92 × 137,544.54
  4. Step 4: Simplify right side
    252,266.82x = 47,883,507,251.18
  5. Step 5: Solve for x
    x = 47,883,507,251.18/252,266.82
  6. Step 6: Final answer
    x = 189,812.94

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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.