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Finding the Fourth Proportional to 60,319.84, 83,244 and 40,144.48

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Solution

The fourth proportional to 60,319.84, 83,244 and 40,144.48 is: 55,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,319.84 : 83,244 = 40,144.48 : x
  2. Step 2: Convert to fraction form
    60,319.84/83,244 = 40,144.48/x
  3. Step 3: Cross multiply
    60,319.84x = 83,244 × 40,144.48
  4. Step 4: Simplify right side
    60,319.84x = 3,341,787,093.12
  5. Step 5: Solve for x
    x = 3,341,787,093.12/60,319.84
  6. Step 6: Final answer
    x = 55,401.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.