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Finding the Fourth Proportional to 80,047.94, 110,463.27 and 48,210.62

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Solution

The fourth proportional to 80,047.94, 110,463.27 and 48,210.62 is: 66,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,047.94 : 110,463.27 = 48,210.62 : x
  2. Step 2: Convert to fraction form
    80,047.94/110,463.27 = 48,210.62/x
  3. Step 3: Cross multiply
    80,047.94x = 110,463.27 × 48,210.62
  4. Step 4: Simplify right side
    80,047.94x = 5,325,502,181.61
  5. Step 5: Solve for x
    x = 5,325,502,181.61/80,047.94
  6. Step 6: Final answer
    x = 66,528.91

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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.