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Finding the Fourth Proportional to 242,058.62, 363,089.56 and 84,286.56

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Solution

The fourth proportional to 242,058.62, 363,089.56 and 84,286.56 is: 126,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,058.62 : 363,089.56 = 84,286.56 : x
  2. Step 2: Convert to fraction form
    242,058.62/363,089.56 = 84,286.56/x
  3. Step 3: Cross multiply
    242,058.62x = 363,089.56 × 84,286.56
  4. Step 4: Simplify right side
    242,058.62x = 30,603,569,984.31
  5. Step 5: Solve for x
    x = 30,603,569,984.31/242,058.62
  6. Step 6: Final answer
    x = 126,430.41

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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.