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Finding the Fourth Proportional to 154,763.85, 232,166.43 and 61,247.73

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Solution

The fourth proportional to 154,763.85, 232,166.43 and 61,247.73 is: 91,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,763.85 : 232,166.43 = 61,247.73 : x
  2. Step 2: Convert to fraction form
    154,763.85/232,166.43 = 61,247.73/x
  3. Step 3: Cross multiply
    154,763.85x = 232,166.43 × 61,247.73
  4. Step 4: Simplify right side
    154,763.85x = 14,219,666,819.70
  5. Step 5: Solve for x
    x = 14,219,666,819.70/154,763.85
  6. Step 6: Final answer
    x = 91,879.77

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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.