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Finding the Fourth Proportional to 89,744.44, 123,848.16 and 49,459.67

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Solution

The fourth proportional to 89,744.44, 123,848.16 and 49,459.67 is: 68,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,744.44 : 123,848.16 = 49,459.67 : x
  2. Step 2: Convert to fraction form
    89,744.44/123,848.16 = 49,459.67/x
  3. Step 3: Cross multiply
    89,744.44x = 123,848.16 × 49,459.67
  4. Step 4: Simplify right side
    89,744.44x = 6,125,489,123.71
  5. Step 5: Solve for x
    x = 6,125,489,123.71/89,744.44
  6. Step 6: Final answer
    x = 68,254.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.