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Finding the Fourth Proportional to 173,139.16, 259,737.92 and 54,843.52

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Solution

The fourth proportional to 173,139.16, 259,737.92 and 54,843.52 is: 82,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,139.16 : 259,737.92 = 54,843.52 : x
  2. Step 2: Convert to fraction form
    173,139.16/259,737.92 = 54,843.52/x
  3. Step 3: Cross multiply
    173,139.16x = 259,737.92 × 54,843.52
  4. Step 4: Simplify right side
    173,139.16x = 14,244,941,810.28
  5. Step 5: Solve for x
    x = 14,244,941,810.28/173,139.16
  6. Step 6: Final answer
    x = 82,274.52

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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.