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Finding the Fourth Proportional to 247,136.88, 340,845.84 and 151,576.32

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Solution

The fourth proportional to 247,136.88, 340,845.84 and 151,576.32 is: 209,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,136.88 : 340,845.84 = 151,576.32 : x
  2. Step 2: Convert to fraction form
    247,136.88/340,845.84 = 151,576.32/x
  3. Step 3: Cross multiply
    247,136.88x = 340,845.84 × 151,576.32
  4. Step 4: Simplify right side
    247,136.88x = 51,664,158,114.51
  5. Step 5: Solve for x
    x = 51,664,158,114.51/247,136.88
  6. Step 6: Final answer
    x = 209,050.78

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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.