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Finding the Fourth Proportional to 73,818.54, 110,674.16 and 29,431.98

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Solution

The fourth proportional to 73,818.54, 110,674.16 and 29,431.98 is: 44,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,818.54 : 110,674.16 = 29,431.98 : x
  2. Step 2: Convert to fraction form
    73,818.54/110,674.16 = 29,431.98/x
  3. Step 3: Cross multiply
    73,818.54x = 110,674.16 × 29,431.98
  4. Step 4: Simplify right side
    73,818.54x = 3,257,359,663.64
  5. Step 5: Solve for x
    x = 3,257,359,663.64/73,818.54
  6. Step 6: Final answer
    x = 44,126.58

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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.