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Finding the Fourth Proportional to 115,616.16, 173,423.34 and 59,472

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Solution

The fourth proportional to 115,616.16, 173,423.34 and 59,472 is: 89,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,616.16 : 173,423.34 = 59,472 : x
  2. Step 2: Convert to fraction form
    115,616.16/173,423.34 = 59,472/x
  3. Step 3: Cross multiply
    115,616.16x = 173,423.34 × 59,472
  4. Step 4: Simplify right side
    115,616.16x = 10,313,832,876.48
  5. Step 5: Solve for x
    x = 10,313,832,876.48/115,616.16
  6. Step 6: Final answer
    x = 89,207.54

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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.