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Finding the Fourth Proportional to 92,558.80, 138,816.54 and 26,005.30

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Solution

The fourth proportional to 92,558.80, 138,816.54 and 26,005.30 is: 39,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,558.80 : 138,816.54 = 26,005.30 : x
  2. Step 2: Convert to fraction form
    92,558.80/138,816.54 = 26,005.30/x
  3. Step 3: Cross multiply
    92,558.80x = 138,816.54 × 26,005.30
  4. Step 4: Simplify right side
    92,558.80x = 3,609,965,767.66
  5. Step 5: Solve for x
    x = 3,609,965,767.66/92,558.80
  6. Step 6: Final answer
    x = 39,001.86

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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.