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Finding the Fourth Proportional to 266,722.12, 367,485.78 and 175,917.88

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Solution

The fourth proportional to 266,722.12, 367,485.78 and 175,917.88 is: 242,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,722.12 : 367,485.78 = 175,917.88 : x
  2. Step 2: Convert to fraction form
    266,722.12/367,485.78 = 175,917.88/x
  3. Step 3: Cross multiply
    266,722.12x = 367,485.78 × 175,917.88
  4. Step 4: Simplify right side
    266,722.12x = 64,647,319,347.75
  5. Step 5: Solve for x
    x = 64,647,319,347.75/266,722.12
  6. Step 6: Final answer
    x = 242,377.05

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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.