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Finding the Fourth Proportional to 75,179.52, 112,767.84 and 35,716.32

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Solution

The fourth proportional to 75,179.52, 112,767.84 and 35,716.32 is: 53,573.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,179.52 : 112,767.84 = 35,716.32 : x
  2. Step 2: Convert to fraction form
    75,179.52/112,767.84 = 35,716.32/x
  3. Step 3: Cross multiply
    75,179.52x = 112,767.84 × 35,716.32
  4. Step 4: Simplify right side
    75,179.52x = 4,027,652,259.15
  5. Step 5: Solve for x
    x = 4,027,652,259.15/75,179.52
  6. Step 6: Final answer
    x = 53,573.80

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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.