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Finding the Fourth Proportional to 73,397.64, 110,096.46 and 20,807.58

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Solution

The fourth proportional to 73,397.64, 110,096.46 and 20,807.58 is: 31,211.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,397.64 : 110,096.46 = 20,807.58 : x
  2. Step 2: Convert to fraction form
    73,397.64/110,096.46 = 20,807.58/x
  3. Step 3: Cross multiply
    73,397.64x = 110,096.46 × 20,807.58
  4. Step 4: Simplify right side
    73,397.64x = 2,290,840,795.13
  5. Step 5: Solve for x
    x = 2,290,840,795.13/73,397.64
  6. Step 6: Final answer
    x = 31,211.37

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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.