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Finding the Fourth Proportional to 169,447.66, 253,994.16 and 57,089.05

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Solution

The fourth proportional to 169,447.66, 253,994.16 and 57,089.05 is: 85,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,447.66 : 253,994.16 = 57,089.05 : x
  2. Step 2: Convert to fraction form
    169,447.66/253,994.16 = 57,089.05/x
  3. Step 3: Cross multiply
    169,447.66x = 253,994.16 × 57,089.05
  4. Step 4: Simplify right side
    169,447.66x = 14,500,285,299.95
  5. Step 5: Solve for x
    x = 14,500,285,299.95/169,447.66
  6. Step 6: Final answer
    x = 85,573.83

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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.