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Finding the Fourth Proportional to 183,611.20, 275,416.80 and 176,612.80

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Solution

The fourth proportional to 183,611.20, 275,416.80 and 176,612.80 is: 264,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,611.20 : 275,416.80 = 176,612.80 : x
  2. Step 2: Convert to fraction form
    183,611.20/275,416.80 = 176,612.80/x
  3. Step 3: Cross multiply
    183,611.20x = 275,416.80 × 176,612.80
  4. Step 4: Simplify right side
    183,611.20x = 48,642,132,215.04
  5. Step 5: Solve for x
    x = 48,642,132,215.04/183,611.20
  6. Step 6: Final answer
    x = 264,919.20

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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.