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Finding the Fourth Proportional to 132,790.76, 199,244.92 and 69,595.82

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Solution

The fourth proportional to 132,790.76, 199,244.92 and 69,595.82 is: 104,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,790.76 : 199,244.92 = 69,595.82 : x
  2. Step 2: Convert to fraction form
    132,790.76/199,244.92 = 69,595.82/x
  3. Step 3: Cross multiply
    132,790.76x = 199,244.92 × 69,595.82
  4. Step 4: Simplify right side
    132,790.76x = 13,866,613,588.23
  5. Step 5: Solve for x
    x = 13,866,613,588.23/132,790.76
  6. Step 6: Final answer
    x = 104,424.54

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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.