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Finding the Fourth Proportional to 132,508.51, 182,866.62 and 75,930.82

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Solution

The fourth proportional to 132,508.51, 182,866.62 and 75,930.82 is: 104,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,508.51 : 182,866.62 = 75,930.82 : x
  2. Step 2: Convert to fraction form
    132,508.51/182,866.62 = 75,930.82/x
  3. Step 3: Cross multiply
    132,508.51x = 182,866.62 × 75,930.82
  4. Step 4: Simplify right side
    132,508.51x = 13,885,212,407.23
  5. Step 5: Solve for x
    x = 13,885,212,407.23/132,508.51
  6. Step 6: Final answer
    x = 104,787.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.