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Finding the Fourth Proportional to 124,067.64, 186,073.86 and 35,319.48

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Solution

The fourth proportional to 124,067.64, 186,073.86 and 35,319.48 is: 52,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,067.64 : 186,073.86 = 35,319.48 : x
  2. Step 2: Convert to fraction form
    124,067.64/186,073.86 = 35,319.48/x
  3. Step 3: Cross multiply
    124,067.64x = 186,073.86 × 35,319.48
  4. Step 4: Simplify right side
    124,067.64x = 6,572,031,976.79
  5. Step 5: Solve for x
    x = 6,572,031,976.79/124,067.64
  6. Step 6: Final answer
    x = 52,971.36

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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.