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Finding the Fourth Proportional to 141,757.68, 212,571.72 and 48,238.32

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Solution

The fourth proportional to 141,757.68, 212,571.72 and 48,238.32 is: 72,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,757.68 : 212,571.72 = 48,238.32 : x
  2. Step 2: Convert to fraction form
    141,757.68/212,571.72 = 48,238.32/x
  3. Step 3: Cross multiply
    141,757.68x = 212,571.72 × 48,238.32
  4. Step 4: Simplify right side
    141,757.68x = 10,254,102,652.31
  5. Step 5: Solve for x
    x = 10,254,102,652.31/141,757.68
  6. Step 6: Final answer
    x = 72,335.43

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1.5x scale

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.