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Finding the Fourth Proportional to 73,354.80, 110,050.73 and 20,764.74

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Solution

The fourth proportional to 73,354.80, 110,050.73 and 20,764.74 is: 31,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,354.80 : 110,050.73 = 20,764.74 : x
  2. Step 2: Convert to fraction form
    73,354.80/110,050.73 = 20,764.74/x
  3. Step 3: Cross multiply
    73,354.80x = 110,050.73 × 20,764.74
  4. Step 4: Simplify right side
    73,354.80x = 2,285,174,795.26
  5. Step 5: Solve for x
    x = 2,285,174,795.26/73,354.80
  6. Step 6: Final answer
    x = 31,152.36

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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.