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Finding the Fourth Proportional to 70,974.56, 106,484.88 and 60,523.28

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Solution

The fourth proportional to 70,974.56, 106,484.88 and 60,523.28 is: 90,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,974.56 : 106,484.88 = 60,523.28 : x
  2. Step 2: Convert to fraction form
    70,974.56/106,484.88 = 60,523.28/x
  3. Step 3: Cross multiply
    70,974.56x = 106,484.88 × 60,523.28
  4. Step 4: Simplify right side
    70,974.56x = 6,444,814,208.01
  5. Step 5: Solve for x
    x = 6,444,814,208.01/70,974.56
  6. Step 6: Final answer
    x = 90,804.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.