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Finding the Fourth Proportional to 156,950.60, 235,037.10 and 100,704.20

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Solution

The fourth proportional to 156,950.60, 235,037.10 and 100,704.20 is: 150,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,950.60 : 235,037.10 = 100,704.20 : x
  2. Step 2: Convert to fraction form
    156,950.60/235,037.10 = 100,704.20/x
  3. Step 3: Cross multiply
    156,950.60x = 235,037.10 × 100,704.20
  4. Step 4: Simplify right side
    156,950.60x = 23,669,223,125.82
  5. Step 5: Solve for x
    x = 23,669,223,125.82/156,950.60
  6. Step 6: Final answer
    x = 150,806.83

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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.