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Finding the Fourth Proportional to 134,287.30, 201,102.90 and 100,826.20

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Solution

The fourth proportional to 134,287.30, 201,102.90 and 100,826.20 is: 150,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,287.30 : 201,102.90 = 100,826.20 : x
  2. Step 2: Convert to fraction form
    134,287.30/201,102.90 = 100,826.20/x
  3. Step 3: Cross multiply
    134,287.30x = 201,102.90 × 100,826.20
  4. Step 4: Simplify right side
    134,287.30x = 20,276,441,215.98
  5. Step 5: Solve for x
    x = 20,276,441,215.98/134,287.30
  6. Step 6: Final answer
    x = 150,992.99

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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.