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Finding the Fourth Proportional to 173,079.90, 259,425.45 and 73,223.10

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Solution

The fourth proportional to 173,079.90, 259,425.45 and 73,223.10 is: 109,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,079.90 : 259,425.45 = 73,223.10 : x
  2. Step 2: Convert to fraction form
    173,079.90/259,425.45 = 73,223.10/x
  3. Step 3: Cross multiply
    173,079.90x = 259,425.45 × 73,223.10
  4. Step 4: Simplify right side
    173,079.90x = 18,995,935,667.90
  5. Step 5: Solve for x
    x = 18,995,935,667.90/173,079.90
  6. Step 6: Final answer
    x = 109,752.41

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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.