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Finding the Fourth Proportional to 222,231.88, 333,384.54 and 72,428.68

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Solution

The fourth proportional to 222,231.88, 333,384.54 and 72,428.68 is: 108,654.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,231.88 : 333,384.54 = 72,428.68 : x
  2. Step 2: Convert to fraction form
    222,231.88/333,384.54 = 72,428.68/x
  3. Step 3: Cross multiply
    222,231.88x = 333,384.54 × 72,428.68
  4. Step 4: Simplify right side
    222,231.88x = 24,146,602,164.61
  5. Step 5: Solve for x
    x = 24,146,602,164.61/222,231.88
  6. Step 6: Final answer
    x = 108,654.99

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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.