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Finding the Fourth Proportional to 174,266.69, 261,662.49 and 99,471.29

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Solution

The fourth proportional to 174,266.69, 261,662.49 and 99,471.29 is: 149,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,266.69 : 261,662.49 = 99,471.29 : x
  2. Step 2: Convert to fraction form
    174,266.69/261,662.49 = 99,471.29/x
  3. Step 3: Cross multiply
    174,266.69x = 261,662.49 × 99,471.29
  4. Step 4: Simplify right side
    174,266.69x = 26,027,905,424.91
  5. Step 5: Solve for x
    x = 26,027,905,424.91/174,266.69
  6. Step 6: Final answer
    x = 149,356.74

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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.