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Finding the Fourth Proportional to 252,346.87, 348,239.01 and 137,625.76

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Solution

The fourth proportional to 252,346.87, 348,239.01 and 137,625.76 is: 189,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,346.87 : 348,239.01 = 137,625.76 : x
  2. Step 2: Convert to fraction form
    252,346.87/348,239.01 = 137,625.76/x
  3. Step 3: Cross multiply
    252,346.87x = 348,239.01 × 137,625.76
  4. Step 4: Simplify right side
    252,346.87x = 47,926,658,412.90
  5. Step 5: Solve for x
    x = 47,926,658,412.90/252,346.87
  6. Step 6: Final answer
    x = 189,923.73

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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.