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Finding the Fourth Proportional to 246,573.75, 369,856.59 and 78,093.82

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Solution

The fourth proportional to 246,573.75, 369,856.59 and 78,093.82 is: 117,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,573.75 : 369,856.59 = 78,093.82 : x
  2. Step 2: Convert to fraction form
    246,573.75/369,856.59 = 78,093.82/x
  3. Step 3: Cross multiply
    246,573.75x = 369,856.59 × 78,093.82
  4. Step 4: Simplify right side
    246,573.75x = 28,883,513,965.27
  5. Step 5: Solve for x
    x = 28,883,513,965.27/246,573.75
  6. Step 6: Final answer
    x = 117,139.45

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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.