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Finding the Fourth Proportional to 194,011.84, 267,733.68 and 109,128.80

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Solution

The fourth proportional to 194,011.84, 267,733.68 and 109,128.80 is: 150,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,011.84 : 267,733.68 = 109,128.80 : x
  2. Step 2: Convert to fraction form
    194,011.84/267,733.68 = 109,128.80/x
  3. Step 3: Cross multiply
    194,011.84x = 267,733.68 × 109,128.80
  4. Step 4: Simplify right side
    194,011.84x = 29,217,455,217.98
  5. Step 5: Solve for x
    x = 29,217,455,217.98/194,011.84
  6. Step 6: Final answer
    x = 150,596.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.