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Finding the Fourth Proportional to 222,401.84, 306,944.36 and 131,750.80

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Solution

The fourth proportional to 222,401.84, 306,944.36 and 131,750.80 is: 181,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,401.84 : 306,944.36 = 131,750.80 : x
  2. Step 2: Convert to fraction form
    222,401.84/306,944.36 = 131,750.80/x
  3. Step 3: Cross multiply
    222,401.84x = 306,944.36 × 131,750.80
  4. Step 4: Simplify right side
    222,401.84x = 40,440,164,985.49
  5. Step 5: Solve for x
    x = 40,440,164,985.49/222,401.84
  6. Step 6: Final answer
    x = 181,833.77

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1.5x scale

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.