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Finding the Fourth Proportional to 88,617.54, 132,926.31 and 26,287.50

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Solution

The fourth proportional to 88,617.54, 132,926.31 and 26,287.50 is: 39,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,617.54 : 132,926.31 = 26,287.50 : x
  2. Step 2: Convert to fraction form
    88,617.54/132,926.31 = 26,287.50/x
  3. Step 3: Cross multiply
    88,617.54x = 132,926.31 × 26,287.50
  4. Step 4: Simplify right side
    88,617.54x = 3,494,300,374.13
  5. Step 5: Solve for x
    x = 3,494,300,374.13/88,617.54
  6. Step 6: Final answer
    x = 39,431.25

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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.