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Finding the Fourth Proportional to 75,322.41, 112,750.32 and 44,218.41

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Solution

The fourth proportional to 75,322.41, 112,750.32 and 44,218.41 is: 66,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,322.41 : 112,750.32 = 44,218.41 : x
  2. Step 2: Convert to fraction form
    75,322.41/112,750.32 = 44,218.41/x
  3. Step 3: Cross multiply
    75,322.41x = 112,750.32 × 44,218.41
  4. Step 4: Simplify right side
    75,322.41x = 4,985,639,877.39
  5. Step 5: Solve for x
    x = 4,985,639,877.39/75,322.41
  6. Step 6: Final answer
    x = 66,190.66

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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.