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Finding the Fourth Proportional to 222,502.72, 333,774.57 and 72,743.80

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Solution

The fourth proportional to 222,502.72, 333,774.57 and 72,743.80 is: 109,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,502.72 : 333,774.57 = 72,743.80 : x
  2. Step 2: Convert to fraction form
    222,502.72/333,774.57 = 72,743.80/x
  3. Step 3: Cross multiply
    222,502.72x = 333,774.57 × 72,743.80
  4. Step 4: Simplify right side
    222,502.72x = 24,280,030,565.17
  5. Step 5: Solve for x
    x = 24,280,030,565.17/222,502.72
  6. Step 6: Final answer
    x = 109,122.40

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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.