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Finding the Fourth Proportional to 272,311.20, 375,786 and 151,452

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Solution

The fourth proportional to 272,311.20, 375,786 and 151,452 is: 209,001.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,311.20 : 375,786 = 151,452 : x
  2. Step 2: Convert to fraction form
    272,311.20/375,786 = 151,452/x
  3. Step 3: Cross multiply
    272,311.20x = 375,786 × 151,452
  4. Step 4: Simplify right side
    272,311.20x = 56,913,541,272
  5. Step 5: Solve for x
    x = 56,913,541,272/272,311.20
  6. Step 6: Final answer
    x = 209,001.84

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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.