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Finding the Fourth Proportional to 163,906.68, 226,213.74 and 92,315.64

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Solution

The fourth proportional to 163,906.68, 226,213.74 and 92,315.64 is: 127,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,906.68 : 226,213.74 = 92,315.64 : x
  2. Step 2: Convert to fraction form
    163,906.68/226,213.74 = 92,315.64/x
  3. Step 3: Cross multiply
    163,906.68x = 226,213.74 × 92,315.64
  4. Step 4: Simplify right side
    163,906.68x = 20,883,066,184.89
  5. Step 5: Solve for x
    x = 20,883,066,184.89/163,906.68
  6. Step 6: Final answer
    x = 127,408.27

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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.