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Finding the Fourth Proportional to 132,455.25, 182,788.25 and 75,870.27

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Solution

The fourth proportional to 132,455.25, 182,788.25 and 75,870.27 is: 104,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,455.25 : 182,788.25 = 75,870.27 : x
  2. Step 2: Convert to fraction form
    132,455.25/182,788.25 = 75,870.27/x
  3. Step 3: Cross multiply
    132,455.25x = 182,788.25 × 75,870.27
  4. Step 4: Simplify right side
    132,455.25x = 13,868,193,500.98
  5. Step 5: Solve for x
    x = 13,868,193,500.98/132,455.25
  6. Step 6: Final answer
    x = 104,700.97

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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.