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Finding the Fourth Proportional to 89,894.79, 134,925.01 and 45,552.96

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Solution

The fourth proportional to 89,894.79, 134,925.01 and 45,552.96 is: 68,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,894.79 : 134,925.01 = 45,552.96 : x
  2. Step 2: Convert to fraction form
    89,894.79/134,925.01 = 45,552.96/x
  3. Step 3: Cross multiply
    89,894.79x = 134,925.01 × 45,552.96
  4. Step 4: Simplify right side
    89,894.79x = 6,146,233,469.65
  5. Step 5: Solve for x
    x = 6,146,233,469.65/89,894.79
  6. Step 6: Final answer
    x = 68,371.41

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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.