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Finding the Fourth Proportional to 89,343.30, 133,986.48 and 29,357.84

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Solution

The fourth proportional to 89,343.30, 133,986.48 and 29,357.84 is: 44,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,343.30 : 133,986.48 = 29,357.84 : x
  2. Step 2: Convert to fraction form
    89,343.30/133,986.48 = 29,357.84/x
  3. Step 3: Cross multiply
    89,343.30x = 133,986.48 × 29,357.84
  4. Step 4: Simplify right side
    89,343.30x = 3,933,553,642.00
  5. Step 5: Solve for x
    x = 3,933,553,642.00/89,343.30
  6. Step 6: Final answer
    x = 44,027.40

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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.