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Finding the Fourth Proportional to 89,893.85, 124,001.14 and 57,616.97

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Solution

The fourth proportional to 89,893.85, 124,001.14 and 57,616.97 is: 79,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,893.85 : 124,001.14 = 57,616.97 : x
  2. Step 2: Convert to fraction form
    89,893.85/124,001.14 = 57,616.97/x
  3. Step 3: Cross multiply
    89,893.85x = 124,001.14 × 57,616.97
  4. Step 4: Simplify right side
    89,893.85x = 7,144,569,963.35
  5. Step 5: Solve for x
    x = 7,144,569,963.35/89,893.85
  6. Step 6: Final answer
    x = 79,477.85

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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.