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Finding the Fourth Proportional to 605,076.10, 907,614.15 and 161,844.10

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Solution

The fourth proportional to 605,076.10, 907,614.15 and 161,844.10 is: 242,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,076.10 : 907,614.15 = 161,844.10 : x
  2. Step 2: Convert to fraction form
    605,076.10/907,614.15 = 161,844.10/x
  3. Step 3: Cross multiply
    605,076.10x = 907,614.15 × 161,844.10
  4. Step 4: Simplify right side
    605,076.10x = 146,891,995,254.02
  5. Step 5: Solve for x
    x = 146,891,995,254.02/605,076.10
  6. Step 6: Final answer
    x = 242,766.15

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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.