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Finding the Fourth Proportional to 222,516.47, 333,795.22 and 72,757.52

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Solution

The fourth proportional to 222,516.47, 333,795.22 and 72,757.52 is: 109,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,516.47 : 333,795.22 = 72,757.52 : x
  2. Step 2: Convert to fraction form
    222,516.47/333,795.22 = 72,757.52/x
  3. Step 3: Cross multiply
    222,516.47x = 333,795.22 × 72,757.52
  4. Step 4: Simplify right side
    222,516.47x = 24,286,113,047.65
  5. Step 5: Solve for x
    x = 24,286,113,047.65/222,516.47
  6. Step 6: Final answer
    x = 109,142.99

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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.