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Finding the Fourth Proportional to 173,939.48, 260,911.02 and 55,608.20

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Solution

The fourth proportional to 173,939.48, 260,911.02 and 55,608.20 is: 83,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,939.48 : 260,911.02 = 55,608.20 : x
  2. Step 2: Convert to fraction form
    173,939.48/260,911.02 = 55,608.20/x
  3. Step 3: Cross multiply
    173,939.48x = 260,911.02 × 55,608.20
  4. Step 4: Simplify right side
    173,939.48x = 14,508,792,182.36
  5. Step 5: Solve for x
    x = 14,508,792,182.36/173,939.48
  6. Step 6: Final answer
    x = 83,412.88

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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.