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Finding the Fourth Proportional to 169,633.82, 234,157.56 and 145,664.30

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Solution

The fourth proportional to 169,633.82, 234,157.56 and 145,664.30 is: 201,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,633.82 : 234,157.56 = 145,664.30 : x
  2. Step 2: Convert to fraction form
    169,633.82/234,157.56 = 145,664.30/x
  3. Step 3: Cross multiply
    169,633.82x = 234,157.56 × 145,664.30
  4. Step 4: Simplify right side
    169,633.82x = 34,108,397,067.11
  5. Step 5: Solve for x
    x = 34,108,397,067.11/169,633.82
  6. Step 6: Final answer
    x = 201,070.74

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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.