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Finding the Fourth Proportional to 232,502.75, 348,757.37 and 66,290.75

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Solution

The fourth proportional to 232,502.75, 348,757.37 and 66,290.75 is: 99,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,502.75 : 348,757.37 = 66,290.75 : x
  2. Step 2: Convert to fraction form
    232,502.75/348,757.37 = 66,290.75/x
  3. Step 3: Cross multiply
    232,502.75x = 348,757.37 × 66,290.75
  4. Step 4: Simplify right side
    232,502.75x = 23,119,387,625.33
  5. Step 5: Solve for x
    x = 23,119,387,625.33/232,502.75
  6. Step 6: Final answer
    x = 99,437.05

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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.