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Finding the Fourth Proportional to 168,639.42, 232,719.54 and 92,156.82

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Solution

The fourth proportional to 168,639.42, 232,719.54 and 92,156.82 is: 127,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,639.42 : 232,719.54 = 92,156.82 : x
  2. Step 2: Convert to fraction form
    168,639.42/232,719.54 = 92,156.82/x
  3. Step 3: Cross multiply
    168,639.42x = 232,719.54 × 92,156.82
  4. Step 4: Simplify right side
    168,639.42x = 21,446,692,758.26
  5. Step 5: Solve for x
    x = 21,446,692,758.26/168,639.42
  6. Step 6: Final answer
    x = 127,174.85

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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.