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Finding the Fourth Proportional to 266,503.70, 367,775.15 and 151,793.02

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Solution

The fourth proportional to 266,503.70, 367,775.15 and 151,793.02 is: 209,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,503.70 : 367,775.15 = 151,793.02 : x
  2. Step 2: Convert to fraction form
    266,503.70/367,775.15 = 151,793.02/x
  3. Step 3: Cross multiply
    266,503.70x = 367,775.15 × 151,793.02
  4. Step 4: Simplify right side
    266,503.70x = 55,825,701,861.49
  5. Step 5: Solve for x
    x = 55,825,701,861.49/266,503.70
  6. Step 6: Final answer
    x = 209,474.40

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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.