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Finding the Fourth Proportional to 222,189.68, 333,284.52 and 55,990.64

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Solution

The fourth proportional to 222,189.68, 333,284.52 and 55,990.64 is: 83,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,189.68 : 333,284.52 = 55,990.64 : x
  2. Step 2: Convert to fraction form
    222,189.68/333,284.52 = 55,990.64/x
  3. Step 3: Cross multiply
    222,189.68x = 333,284.52 × 55,990.64
  4. Step 4: Simplify right side
    222,189.68x = 18,660,813,576.89
  5. Step 5: Solve for x
    x = 18,660,813,576.89/222,189.68
  6. Step 6: Final answer
    x = 83,985.96

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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.