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Finding the Fourth Proportional to 222,456.78, 333,685.08 and 89,337.02

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Solution

The fourth proportional to 222,456.78, 333,685.08 and 89,337.02 is: 134,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,456.78 : 333,685.08 = 89,337.02 : x
  2. Step 2: Convert to fraction form
    222,456.78/333,685.08 = 89,337.02/x
  3. Step 3: Cross multiply
    222,456.78x = 333,685.08 × 89,337.02
  4. Step 4: Simplify right side
    222,456.78x = 29,810,428,997.24
  5. Step 5: Solve for x
    x = 29,810,428,997.24/222,456.78
  6. Step 6: Final answer
    x = 134,005.49

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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.