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Finding the Fourth Proportional to 266,392.85, 367,629.35 and 159,025.20

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Solution

The fourth proportional to 266,392.85, 367,629.35 and 159,025.20 is: 219,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,392.85 : 367,629.35 = 159,025.20 : x
  2. Step 2: Convert to fraction form
    266,392.85/367,629.35 = 159,025.20/x
  3. Step 3: Cross multiply
    266,392.85x = 367,629.35 × 159,025.20
  4. Step 4: Simplify right side
    266,392.85x = 58,462,330,909.62
  5. Step 5: Solve for x
    x = 58,462,330,909.62/266,392.85
  6. Step 6: Final answer
    x = 219,459.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.