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Finding the Fourth Proportional to 75,216.88, 112,840.20 and 33,664.24

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Solution

The fourth proportional to 75,216.88, 112,840.20 and 33,664.24 is: 50,503.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,216.88 : 112,840.20 = 33,664.24 : x
  2. Step 2: Convert to fraction form
    75,216.88/112,840.20 = 33,664.24/x
  3. Step 3: Cross multiply
    75,216.88x = 112,840.20 × 33,664.24
  4. Step 4: Simplify right side
    75,216.88x = 3,798,679,574.45
  5. Step 5: Solve for x
    x = 3,798,679,574.45/75,216.88
  6. Step 6: Final answer
    x = 50,503.02

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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.