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Finding the Fourth Proportional to 123,744.48, 170,759.25 and 70,035

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Solution

The fourth proportional to 123,744.48, 170,759.25 and 70,035 is: 96,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,744.48 : 170,759.25 = 70,035 : x
  2. Step 2: Convert to fraction form
    123,744.48/170,759.25 = 70,035/x
  3. Step 3: Cross multiply
    123,744.48x = 170,759.25 × 70,035
  4. Step 4: Simplify right side
    123,744.48x = 11,959,124,073.75
  5. Step 5: Solve for x
    x = 11,959,124,073.75/123,744.48
  6. Step 6: Final answer
    x = 96,643.70

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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.