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Finding the Fourth Proportional to 276,080.10, 413,901.45 and 151,421.10

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Solution

The fourth proportional to 276,080.10, 413,901.45 and 151,421.10 is: 227,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,080.10 : 413,901.45 = 151,421.10 : x
  2. Step 2: Convert to fraction form
    276,080.10/413,901.45 = 151,421.10/x
  3. Step 3: Cross multiply
    276,080.10x = 413,901.45 × 151,421.10
  4. Step 4: Simplify right side
    276,080.10x = 62,673,412,850.60
  5. Step 5: Solve for x
    x = 62,673,412,850.60/276,080.10
  6. Step 6: Final answer
    x = 227,011.70

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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.