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Finding the Fourth Proportional to 246,348.61, 369,536.11 and 77,856.12

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Solution

The fourth proportional to 246,348.61, 369,536.11 and 77,856.12 is: 116,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,348.61 : 369,536.11 = 77,856.12 : x
  2. Step 2: Convert to fraction form
    246,348.61/369,536.11 = 77,856.12/x
  3. Step 3: Cross multiply
    246,348.61x = 369,536.11 × 77,856.12
  4. Step 4: Simplify right side
    246,348.61x = 28,770,647,529.85
  5. Step 5: Solve for x
    x = 28,770,647,529.85/246,348.61
  6. Step 6: Final answer
    x = 116,788.35

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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.