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Finding the Fourth Proportional to 222,888.76, 334,416.37 and 89,806.78

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Solution

The fourth proportional to 222,888.76, 334,416.37 and 89,806.78 is: 134,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,888.76 : 334,416.37 = 89,806.78 : x
  2. Step 2: Convert to fraction form
    222,888.76/334,416.37 = 89,806.78/x
  3. Step 3: Cross multiply
    222,888.76x = 334,416.37 × 89,806.78
  4. Step 4: Simplify right side
    222,888.76x = 30,032,855,472.39
  5. Step 5: Solve for x
    x = 30,032,855,472.39/222,888.76
  6. Step 6: Final answer
    x = 134,743.70

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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.