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Finding the Fourth Proportional to 230,657.88, 346,037.62 and 70,755.83

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Solution

The fourth proportional to 230,657.88, 346,037.62 and 70,755.83 is: 106,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,657.88 : 346,037.62 = 70,755.83 : x
  2. Step 2: Convert to fraction form
    230,657.88/346,037.62 = 70,755.83/x
  3. Step 3: Cross multiply
    230,657.88x = 346,037.62 × 70,755.83
  4. Step 4: Simplify right side
    230,657.88x = 24,484,178,537.56
  5. Step 5: Solve for x
    x = 24,484,178,537.56/230,657.88
  6. Step 6: Final answer
    x = 106,149.33

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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.