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Finding the Fourth Proportional to 222,647.84, 333,971.52 and 54,167.12

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Solution

The fourth proportional to 222,647.84, 333,971.52 and 54,167.12 is: 81,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,647.84 : 333,971.52 = 54,167.12 : x
  2. Step 2: Convert to fraction form
    222,647.84/333,971.52 = 54,167.12/x
  3. Step 3: Cross multiply
    222,647.84x = 333,971.52 × 54,167.12
  4. Step 4: Simplify right side
    222,647.84x = 18,090,275,400.42
  5. Step 5: Solve for x
    x = 18,090,275,400.42/222,647.84
  6. Step 6: Final answer
    x = 81,250.62

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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.