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Finding the Fourth Proportional to 124,415.97, 186,656.13 and 35,675.97

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Solution

The fourth proportional to 124,415.97, 186,656.13 and 35,675.97 is: 53,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,415.97 : 186,656.13 = 35,675.97 : x
  2. Step 2: Convert to fraction form
    124,415.97/186,656.13 = 35,675.97/x
  3. Step 3: Cross multiply
    124,415.97x = 186,656.13 × 35,675.97
  4. Step 4: Simplify right side
    124,415.97x = 6,659,138,494.20
  5. Step 5: Solve for x
    x = 6,659,138,494.20/124,415.97
  6. Step 6: Final answer
    x = 53,523.18

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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.