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Finding the Fourth Proportional to 138,599.33, 207,924.63 and 43,853.36

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Solution

The fourth proportional to 138,599.33, 207,924.63 and 43,853.36 is: 65,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,599.33 : 207,924.63 = 43,853.36 : x
  2. Step 2: Convert to fraction form
    138,599.33/207,924.63 = 43,853.36/x
  3. Step 3: Cross multiply
    138,599.33x = 207,924.63 × 43,853.36
  4. Step 4: Simplify right side
    138,599.33x = 9,118,193,987.77
  5. Step 5: Solve for x
    x = 9,118,193,987.77/138,599.33
  6. Step 6: Final answer
    x = 65,788.15

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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.