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Finding the Fourth Proportional to 169,164.78, 233,447.34 and 92,688.75

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Solution

The fourth proportional to 169,164.78, 233,447.34 and 92,688.75 is: 127,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,164.78 : 233,447.34 = 92,688.75 : x
  2. Step 2: Convert to fraction form
    169,164.78/233,447.34 = 92,688.75/x
  3. Step 3: Cross multiply
    169,164.78x = 233,447.34 × 92,688.75
  4. Step 4: Simplify right side
    169,164.78x = 21,637,942,135.43
  5. Step 5: Solve for x
    x = 21,637,942,135.43/169,164.78
  6. Step 6: Final answer
    x = 127,910.44

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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.