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Finding the Fourth Proportional to 269,457.70, 404,186.55 and 92,164.90

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Solution

The fourth proportional to 269,457.70, 404,186.55 and 92,164.90 is: 138,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,457.70 : 404,186.55 = 92,164.90 : x
  2. Step 2: Convert to fraction form
    269,457.70/404,186.55 = 92,164.90/x
  3. Step 3: Cross multiply
    269,457.70x = 404,186.55 × 92,164.90
  4. Step 4: Simplify right side
    269,457.70x = 37,251,812,962.10
  5. Step 5: Solve for x
    x = 37,251,812,962.10/269,457.70
  6. Step 6: Final answer
    x = 138,247.35

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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.