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Finding the Fourth Proportional to 132,925.52, 199,447.04 and 69,730.56

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Solution

The fourth proportional to 132,925.52, 199,447.04 and 69,730.56 is: 104,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,925.52 : 199,447.04 = 69,730.56 : x
  2. Step 2: Convert to fraction form
    132,925.52/199,447.04 = 69,730.56/x
  3. Step 3: Cross multiply
    132,925.52x = 199,447.04 × 69,730.56
  4. Step 4: Simplify right side
    132,925.52x = 13,907,553,789.54
  5. Step 5: Solve for x
    x = 13,907,553,789.54/132,925.52
  6. Step 6: Final answer
    x = 104,626.66

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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.