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Finding the Fourth Proportional to 102,994.80, 154,492.20 and 32,881.20

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Solution

The fourth proportional to 102,994.80, 154,492.20 and 32,881.20 is: 49,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,994.80 : 154,492.20 = 32,881.20 : x
  2. Step 2: Convert to fraction form
    102,994.80/154,492.20 = 32,881.20/x
  3. Step 3: Cross multiply
    102,994.80x = 154,492.20 × 32,881.20
  4. Step 4: Simplify right side
    102,994.80x = 5,079,888,926.64
  5. Step 5: Solve for x
    x = 5,079,888,926.64/102,994.80
  6. Step 6: Final answer
    x = 49,321.80

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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.