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Finding the Fourth Proportional to 250,912.70, 376,259.70 and 101,103.20

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Solution

The fourth proportional to 250,912.70, 376,259.70 and 101,103.20 is: 151,610.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,912.70 : 376,259.70 = 101,103.20 : x
  2. Step 2: Convert to fraction form
    250,912.70/376,259.70 = 101,103.20/x
  3. Step 3: Cross multiply
    250,912.70x = 376,259.70 × 101,103.20
  4. Step 4: Simplify right side
    250,912.70x = 38,041,059,701.04
  5. Step 5: Solve for x
    x = 38,041,059,701.04/250,912.70
  6. Step 6: Final answer
    x = 151,610.74

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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.