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Finding the Fourth Proportional to 146,844.10, 220,266.15 and 100,188.10

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Solution

The fourth proportional to 146,844.10, 220,266.15 and 100,188.10 is: 150,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,844.10 : 220,266.15 = 100,188.10 : x
  2. Step 2: Convert to fraction form
    146,844.10/220,266.15 = 100,188.10/x
  3. Step 3: Cross multiply
    146,844.10x = 220,266.15 × 100,188.10
  4. Step 4: Simplify right side
    146,844.10x = 22,068,047,062.82
  5. Step 5: Solve for x
    x = 22,068,047,062.82/146,844.10
  6. Step 6: Final answer
    x = 150,282.15

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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.