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Finding the Fourth Proportional to 80,473.65, 111,060.62 and 44,670.57

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Solution

The fourth proportional to 80,473.65, 111,060.62 and 44,670.57 is: 61,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,473.65 : 111,060.62 = 44,670.57 : x
  2. Step 2: Convert to fraction form
    80,473.65/111,060.62 = 44,670.57/x
  3. Step 3: Cross multiply
    80,473.65x = 111,060.62 × 44,670.57
  4. Step 4: Simplify right side
    80,473.65x = 4,961,141,199.95
  5. Step 5: Solve for x
    x = 4,961,141,199.95/80,473.65
  6. Step 6: Final answer
    x = 61,649.26

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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.