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Finding the Fourth Proportional to 96,754.86, 144,756.75 and 84,818.84

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Solution

The fourth proportional to 96,754.86, 144,756.75 and 84,818.84 is: 126,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,754.86 : 144,756.75 = 84,818.84 : x
  2. Step 2: Convert to fraction form
    96,754.86/144,756.75 = 84,818.84/x
  3. Step 3: Cross multiply
    96,754.86x = 144,756.75 × 84,818.84
  4. Step 4: Simplify right side
    96,754.86x = 12,278,099,211.46
  5. Step 5: Solve for x
    x = 12,278,099,211.46/96,754.86
  6. Step 6: Final answer
    x = 126,899.04

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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.