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Finding the Fourth Proportional to 169,391.32, 233,760.34 and 92,911.04

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Solution

The fourth proportional to 169,391.32, 233,760.34 and 92,911.04 is: 128,217.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,391.32 : 233,760.34 = 92,911.04 : x
  2. Step 2: Convert to fraction form
    169,391.32/233,760.34 = 92,911.04/x
  3. Step 3: Cross multiply
    169,391.32x = 233,760.34 × 92,911.04
  4. Step 4: Simplify right side
    169,391.32x = 21,718,916,300.15
  5. Step 5: Solve for x
    x = 21,718,916,300.15/169,391.32
  6. Step 6: Final answer
    x = 128,217.41

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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.