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Finding the Fourth Proportional to 64,170.60, 96,254.10 and 29,110.20

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Solution

The fourth proportional to 64,170.60, 96,254.10 and 29,110.20 is: 43,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,170.60 : 96,254.10 = 29,110.20 : x
  2. Step 2: Convert to fraction form
    64,170.60/96,254.10 = 29,110.20/x
  3. Step 3: Cross multiply
    64,170.60x = 96,254.10 × 29,110.20
  4. Step 4: Simplify right side
    64,170.60x = 2,801,976,101.82
  5. Step 5: Solve for x
    x = 2,801,976,101.82/64,170.60
  6. Step 6: Final answer
    x = 43,664.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.