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Finding the Fourth Proportional to 73,523.76, 110,223.96 and 61,008.72

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Solution

The fourth proportional to 73,523.76, 110,223.96 and 61,008.72 is: 91,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,523.76 : 110,223.96 = 61,008.72 : x
  2. Step 2: Convert to fraction form
    73,523.76/110,223.96 = 61,008.72/x
  3. Step 3: Cross multiply
    73,523.76x = 110,223.96 × 61,008.72
  4. Step 4: Simplify right side
    73,523.76x = 6,724,622,712.93
  5. Step 5: Solve for x
    x = 6,724,622,712.93/73,523.76
  6. Step 6: Final answer
    x = 91,461.90

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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.