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Finding the Fourth Proportional to 89,060, 133,473.36 and 49,635.68

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Solution

The fourth proportional to 89,060, 133,473.36 and 49,635.68 is: 74,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,060 : 133,473.36 = 49,635.68 : x
  2. Step 2: Convert to fraction form
    89,060/133,473.36 = 49,635.68/x
  3. Step 3: Cross multiply
    89,060x = 133,473.36 × 49,635.68
  4. Step 4: Simplify right side
    89,060x = 6,625,040,985.48
  5. Step 5: Solve for x
    x = 6,625,040,985.48/89,060
  6. Step 6: Final answer
    x = 74,388.51

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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.