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Finding the Fourth Proportional to 88,395.66, 132,580.32 and 29,231.64

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Solution

The fourth proportional to 88,395.66, 132,580.32 and 29,231.64 is: 43,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,395.66 : 132,580.32 = 29,231.64 : x
  2. Step 2: Convert to fraction form
    88,395.66/132,580.32 = 29,231.64/x
  3. Step 3: Cross multiply
    88,395.66x = 132,580.32 × 29,231.64
  4. Step 4: Simplify right side
    88,395.66x = 3,875,540,185.32
  5. Step 5: Solve for x
    x = 3,875,540,185.32/88,395.66
  6. Step 6: Final answer
    x = 43,843.10

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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.