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Finding the Fourth Proportional to 73,886.51, 110,779.13 and 26,500.58

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Solution

The fourth proportional to 73,886.51, 110,779.13 and 26,500.58 is: 39,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,886.51 : 110,779.13 = 26,500.58 : x
  2. Step 2: Convert to fraction form
    73,886.51/110,779.13 = 26,500.58/x
  3. Step 3: Cross multiply
    73,886.51x = 110,779.13 × 26,500.58
  4. Step 4: Simplify right side
    73,886.51x = 2,935,711,196.90
  5. Step 5: Solve for x
    x = 2,935,711,196.90/73,886.51
  6. Step 6: Final answer
    x = 39,732.71

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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.