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Finding the Fourth Proportional to 222,931.17, 334,326.49 and 73,136.55

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Solution

The fourth proportional to 222,931.17, 334,326.49 and 73,136.55 is: 109,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,931.17 : 334,326.49 = 73,136.55 : x
  2. Step 2: Convert to fraction form
    222,931.17/334,326.49 = 73,136.55/x
  3. Step 3: Cross multiply
    222,931.17x = 334,326.49 × 73,136.55
  4. Step 4: Simplify right side
    222,931.17x = 24,451,486,052.21
  5. Step 5: Solve for x
    x = 24,451,486,052.21/222,931.17
  6. Step 6: Final answer
    x = 109,681.77

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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.