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Finding the Fourth Proportional to 88,539.30, 132,796.80 and 29,368.80

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Solution

The fourth proportional to 88,539.30, 132,796.80 and 29,368.80 is: 44,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,539.30 : 132,796.80 = 29,368.80 : x
  2. Step 2: Convert to fraction form
    88,539.30/132,796.80 = 29,368.80/x
  3. Step 3: Cross multiply
    88,539.30x = 132,796.80 × 29,368.80
  4. Step 4: Simplify right side
    88,539.30x = 3,900,082,659.84
  5. Step 5: Solve for x
    x = 3,900,082,659.84/88,539.30
  6. Step 6: Final answer
    x = 44,049.17

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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.