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Finding the Fourth Proportional to 222,888.38, 334,415.81 and 89,806.40

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Solution

The fourth proportional to 222,888.38, 334,415.81 and 89,806.40 is: 134,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,888.38 : 334,415.81 = 89,806.40 : x
  2. Step 2: Convert to fraction form
    222,888.38/334,415.81 = 89,806.40/x
  3. Step 3: Cross multiply
    222,888.38x = 334,415.81 × 89,806.40
  4. Step 4: Simplify right side
    222,888.38x = 30,032,677,878.07
  5. Step 5: Solve for x
    x = 30,032,677,878.07/222,888.38
  6. Step 6: Final answer
    x = 134,743.13

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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.