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Finding the Fourth Proportional to 80,340.46, 110,859.64 and 44,530.16

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Solution

The fourth proportional to 80,340.46, 110,859.64 and 44,530.16 is: 61,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,340.46 : 110,859.64 = 44,530.16 : x
  2. Step 2: Convert to fraction form
    80,340.46/110,859.64 = 44,530.16/x
  3. Step 3: Cross multiply
    80,340.46x = 110,859.64 × 44,530.16
  4. Step 4: Simplify right side
    80,340.46x = 4,936,596,841.12
  5. Step 5: Solve for x
    x = 4,936,596,841.12/80,340.46
  6. Step 6: Final answer
    x = 61,445.96

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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.