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Finding the Fourth Proportional to 246,761.76, 340,524.96 and 137,866.94

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Solution

The fourth proportional to 246,761.76, 340,524.96 and 137,866.94 is: 190,252.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,761.76 : 340,524.96 = 137,866.94 : x
  2. Step 2: Convert to fraction form
    246,761.76/340,524.96 = 137,866.94/x
  3. Step 3: Cross multiply
    246,761.76x = 340,524.96 × 137,866.94
  4. Step 4: Simplify right side
    246,761.76x = 46,947,132,526.20
  5. Step 5: Solve for x
    x = 46,947,132,526.20/246,761.76
  6. Step 6: Final answer
    x = 190,252.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.