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Finding the Fourth Proportional to 77,099.96, 106,385.86 and 44,841.72

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Solution

The fourth proportional to 77,099.96, 106,385.86 and 44,841.72 is: 61,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,099.96 : 106,385.86 = 44,841.72 : x
  2. Step 2: Convert to fraction form
    77,099.96/106,385.86 = 44,841.72/x
  3. Step 3: Cross multiply
    77,099.96x = 106,385.86 × 44,841.72
  4. Step 4: Simplify right side
    77,099.96x = 4,770,524,946.08
  5. Step 5: Solve for x
    x = 4,770,524,946.08/77,099.96
  6. Step 6: Final answer
    x = 61,874.55

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1.5x scale

Why These Related Problems?

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