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Finding the Fourth Proportional to 80,154.39, 110,606.95 and 44,343.63

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Solution

The fourth proportional to 80,154.39, 110,606.95 and 44,343.63 is: 61,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,154.39 : 110,606.95 = 44,343.63 : x
  2. Step 2: Convert to fraction form
    80,154.39/110,606.95 = 44,343.63/x
  3. Step 3: Cross multiply
    80,154.39x = 110,606.95 × 44,343.63
  4. Step 4: Simplify right side
    80,154.39x = 4,904,713,721.66
  5. Step 5: Solve for x
    x = 4,904,713,721.66/80,154.39
  6. Step 6: Final answer
    x = 61,190.83

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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.