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Finding the Fourth Proportional to 89,062, 133,476.36 and 49,637.68

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Solution

The fourth proportional to 89,062, 133,476.36 and 49,637.68 is: 74,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,062 : 133,476.36 = 49,637.68 : x
  2. Step 2: Convert to fraction form
    89,062/133,476.36 = 49,637.68/x
  3. Step 3: Cross multiply
    89,062x = 133,476.36 × 49,637.68
  4. Step 4: Simplify right side
    89,062x = 6,625,456,845.24
  5. Step 5: Solve for x
    x = 6,625,456,845.24/89,062
  6. Step 6: Final answer
    x = 74,391.51

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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.