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Finding the Fourth Proportional to 73,397.51, 110,096.27 and 20,807.45

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Solution

The fourth proportional to 73,397.51, 110,096.27 and 20,807.45 is: 31,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,397.51 : 110,096.27 = 20,807.45 : x
  2. Step 2: Convert to fraction form
    73,397.51/110,096.27 = 20,807.45/x
  3. Step 3: Cross multiply
    73,397.51x = 110,096.27 × 20,807.45
  4. Step 4: Simplify right side
    73,397.51x = 2,290,822,882.44
  5. Step 5: Solve for x
    x = 2,290,822,882.44/73,397.51
  6. Step 6: Final answer
    x = 31,211.18

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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.