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Finding the Fourth Proportional to 169,568.40, 254,352.60 and 80,994.90

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Solution

The fourth proportional to 169,568.40, 254,352.60 and 80,994.90 is: 121,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,568.40 : 254,352.60 = 80,994.90 : x
  2. Step 2: Convert to fraction form
    169,568.40/254,352.60 = 80,994.90/x
  3. Step 3: Cross multiply
    169,568.40x = 254,352.60 × 80,994.90
  4. Step 4: Simplify right side
    169,568.40x = 20,601,263,401.74
  5. Step 5: Solve for x
    x = 20,601,263,401.74/169,568.40
  6. Step 6: Final answer
    x = 121,492.35

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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.