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Finding the Fourth Proportional to 73,055.34, 100,810.80 and 41,227.20

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Solution

The fourth proportional to 73,055.34, 100,810.80 and 41,227.20 is: 56,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,055.34 : 100,810.80 = 41,227.20 : x
  2. Step 2: Convert to fraction form
    73,055.34/100,810.80 = 41,227.20/x
  3. Step 3: Cross multiply
    73,055.34x = 100,810.80 × 41,227.20
  4. Step 4: Simplify right side
    73,055.34x = 4,156,147,013.76
  5. Step 5: Solve for x
    x = 4,156,147,013.76/73,055.34
  6. Step 6: Final answer
    x = 56,890.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.