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Finding the Fourth Proportional to 222,347.75, 306,839.51 and 120,373.17

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Solution

The fourth proportional to 222,347.75, 306,839.51 and 120,373.17 is: 166,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,347.75 : 306,839.51 = 120,373.17 : x
  2. Step 2: Convert to fraction form
    222,347.75/306,839.51 = 120,373.17/x
  3. Step 3: Cross multiply
    222,347.75x = 306,839.51 × 120,373.17
  4. Step 4: Simplify right side
    222,347.75x = 36,935,243,898.08
  5. Step 5: Solve for x
    x = 36,935,243,898.08/222,347.75
  6. Step 6: Final answer
    x = 166,114.77

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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.