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Finding the Fourth Proportional to 88,116.80, 132,175.44 and 61,938.64

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Solution

The fourth proportional to 88,116.80, 132,175.44 and 61,938.64 is: 92,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,116.80 : 132,175.44 = 61,938.64 : x
  2. Step 2: Convert to fraction form
    88,116.80/132,175.44 = 61,938.64/x
  3. Step 3: Cross multiply
    88,116.80x = 132,175.44 × 61,938.64
  4. Step 4: Simplify right side
    88,116.80x = 8,186,766,995.00
  5. Step 5: Solve for x
    x = 8,186,766,995.00/88,116.80
  6. Step 6: Final answer
    x = 92,908.13

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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.