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Finding the Fourth Proportional to 89,873.70, 124,065.48 and 58,058.10

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Solution

The fourth proportional to 89,873.70, 124,065.48 and 58,058.10 is: 80,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,873.70 : 124,065.48 = 58,058.10 : x
  2. Step 2: Convert to fraction form
    89,873.70/124,065.48 = 58,058.10/x
  3. Step 3: Cross multiply
    89,873.70x = 124,065.48 × 58,058.10
  4. Step 4: Simplify right side
    89,873.70x = 7,203,006,044.39
  5. Step 5: Solve for x
    x = 7,203,006,044.39/89,873.70
  6. Step 6: Final answer
    x = 80,145.87

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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.