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Finding the Fourth Proportional to 80,820.66, 111,524.51 and 45,014.00

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Solution

The fourth proportional to 80,820.66, 111,524.51 and 45,014.00 is: 62,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,820.66 : 111,524.51 = 45,014.00 : x
  2. Step 2: Convert to fraction form
    80,820.66/111,524.51 = 45,014.00/x
  3. Step 3: Cross multiply
    80,820.66x = 111,524.51 × 45,014.00
  4. Step 4: Simplify right side
    80,820.66x = 5,020,163,510.45
  5. Step 5: Solve for x
    x = 5,020,163,510.45/80,820.66
  6. Step 6: Final answer
    x = 62,114.85

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