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Finding the Fourth Proportional to 80,824.72, 111,533.88 and 45,014.08

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Solution

The fourth proportional to 80,824.72, 111,533.88 and 45,014.08 is: 62,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,824.72 : 111,533.88 = 45,014.08 : x
  2. Step 2: Convert to fraction form
    80,824.72/111,533.88 = 45,014.08/x
  3. Step 3: Cross multiply
    80,824.72x = 111,533.88 × 45,014.08
  4. Step 4: Simplify right side
    80,824.72x = 5,020,594,997.03
  5. Step 5: Solve for x
    x = 5,020,594,997.03/80,824.72
  6. Step 6: Final answer
    x = 62,117.07

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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.