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Finding the Fourth Proportional to 222,003.70, 333,005.55 and 81,744.10

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Solution

The fourth proportional to 222,003.70, 333,005.55 and 81,744.10 is: 122,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,003.70 : 333,005.55 = 81,744.10 : x
  2. Step 2: Convert to fraction form
    222,003.70/333,005.55 = 81,744.10/x
  3. Step 3: Cross multiply
    222,003.70x = 333,005.55 × 81,744.10
  4. Step 4: Simplify right side
    222,003.70x = 27,221,238,979.76
  5. Step 5: Solve for x
    x = 27,221,238,979.76/222,003.70
  6. Step 6: Final answer
    x = 122,616.15

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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.