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Finding the Fourth Proportional to 132,860.58, 199,290.60 and 53,956.32

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Solution

The fourth proportional to 132,860.58, 199,290.60 and 53,956.32 is: 80,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860.58 : 199,290.60 = 53,956.32 : x
  2. Step 2: Convert to fraction form
    132,860.58/199,290.60 = 53,956.32/x
  3. Step 3: Cross multiply
    132,860.58x = 199,290.60 × 53,956.32
  4. Step 4: Simplify right side
    132,860.58x = 10,752,987,386.59
  5. Step 5: Solve for x
    x = 10,752,987,386.59/132,860.58
  6. Step 6: Final answer
    x = 80,934.37

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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.