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Finding the Fourth Proportional to 87,994.95, 131,991.05 and 35,403.06

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Solution

The fourth proportional to 87,994.95, 131,991.05 and 35,403.06 is: 53,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,994.95 : 131,991.05 = 35,403.06 : x
  2. Step 2: Convert to fraction form
    87,994.95/131,991.05 = 35,403.06/x
  3. Step 3: Cross multiply
    87,994.95x = 131,991.05 × 35,403.06
  4. Step 4: Simplify right side
    87,994.95x = 4,672,887,062.61
  5. Step 5: Solve for x
    x = 4,672,887,062.61/87,994.95
  6. Step 6: Final answer
    x = 53,104.04

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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.