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Finding the Fourth Proportional to 179,058.81, 247,105.84 and 98,488.45

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Solution

The fourth proportional to 179,058.81, 247,105.84 and 98,488.45 is: 135,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,058.81 : 247,105.84 = 98,488.45 : x
  2. Step 2: Convert to fraction form
    179,058.81/247,105.84 = 98,488.45/x
  3. Step 3: Cross multiply
    179,058.81x = 247,105.84 × 98,488.45
  4. Step 4: Simplify right side
    179,058.81x = 24,337,071,167.55
  5. Step 5: Solve for x
    x = 24,337,071,167.55/179,058.81
  6. Step 6: Final answer
    x = 135,916.64

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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.