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Finding the Fourth Proportional to 168,311, 232,252.57 and 117,433.10

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Solution

The fourth proportional to 168,311, 232,252.57 and 117,433.10 is: 162,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,311 : 232,252.57 = 117,433.10 : x
  2. Step 2: Convert to fraction form
    168,311/232,252.57 = 117,433.10/x
  3. Step 3: Cross multiply
    168,311x = 232,252.57 × 117,433.10
  4. Step 4: Simplify right side
    168,311x = 27,274,139,278.07
  5. Step 5: Solve for x
    x = 27,274,139,278.07/168,311
  6. Step 6: Final answer
    x = 162,046.09

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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.