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Finding the Fourth Proportional to 334,080.20, 501,120.30 and 156,933.20

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Solution

The fourth proportional to 334,080.20, 501,120.30 and 156,933.20 is: 235,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,080.20 : 501,120.30 = 156,933.20 : x
  2. Step 2: Convert to fraction form
    334,080.20/501,120.30 = 156,933.20/x
  3. Step 3: Cross multiply
    334,080.20x = 501,120.30 × 156,933.20
  4. Step 4: Simplify right side
    334,080.20x = 78,642,412,263.96
  5. Step 5: Solve for x
    x = 78,642,412,263.96/334,080.20
  6. Step 6: Final answer
    x = 235,399.80

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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.