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Finding the Fourth Proportional to 365,165.81, 548,199.78 and 173,223.75

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Solution

The fourth proportional to 365,165.81, 548,199.78 and 173,223.75 is: 260,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,165.81 : 548,199.78 = 173,223.75 : x
  2. Step 2: Convert to fraction form
    365,165.81/548,199.78 = 173,223.75/x
  3. Step 3: Cross multiply
    365,165.81x = 548,199.78 × 173,223.75
  4. Step 4: Simplify right side
    365,165.81x = 94,961,221,640.78
  5. Step 5: Solve for x
    x = 94,961,221,640.78/365,165.81
  6. Step 6: Final answer
    x = 260,049.60

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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.