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Finding the Fourth Proportional to 89,387.88, 134,081.66 and 22,828.02

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Solution

The fourth proportional to 89,387.88, 134,081.66 and 22,828.02 is: 34,241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,387.88 : 134,081.66 = 22,828.02 : x
  2. Step 2: Convert to fraction form
    89,387.88/134,081.66 = 22,828.02/x
  3. Step 3: Cross multiply
    89,387.88x = 134,081.66 × 22,828.02
  4. Step 4: Simplify right side
    89,387.88x = 3,060,818,816.11
  5. Step 5: Solve for x
    x = 3,060,818,816.11/89,387.88
  6. Step 6: Final answer
    x = 34,241.99

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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.