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Finding the Fourth Proportional to 173,791.10, 260,783.85 and 73,934.30

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Solution

The fourth proportional to 173,791.10, 260,783.85 and 73,934.30 is: 110,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,791.10 : 260,783.85 = 73,934.30 : x
  2. Step 2: Convert to fraction form
    173,791.10/260,783.85 = 73,934.30/x
  3. Step 3: Cross multiply
    173,791.10x = 260,783.85 × 73,934.30
  4. Step 4: Simplify right side
    173,791.10x = 19,280,871,401.06
  5. Step 5: Solve for x
    x = 19,280,871,401.06/173,791.10
  6. Step 6: Final answer
    x = 110,942.80

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1.5x scale

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.