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Finding the Fourth Proportional to 79,500.83, 109,717.88 and 54,063.63

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Solution

The fourth proportional to 79,500.83, 109,717.88 and 54,063.63 is: 74,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,500.83 : 109,717.88 = 54,063.63 : x
  2. Step 2: Convert to fraction form
    79,500.83/109,717.88 = 54,063.63/x
  3. Step 3: Cross multiply
    79,500.83x = 109,717.88 × 54,063.63
  4. Step 4: Simplify right side
    79,500.83x = 5,931,747,003.86
  5. Step 5: Solve for x
    x = 5,931,747,003.86/79,500.83
  6. Step 6: Final answer
    x = 74,612.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.