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Finding the Fourth Proportional to 101,778.77, 152,762.12 and 73,345.25

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Solution

The fourth proportional to 101,778.77, 152,762.12 and 73,345.25 is: 110,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,778.77 : 152,762.12 = 73,345.25 : x
  2. Step 2: Convert to fraction form
    101,778.77/152,762.12 = 73,345.25/x
  3. Step 3: Cross multiply
    101,778.77x = 152,762.12 × 73,345.25
  4. Step 4: Simplify right side
    101,778.77x = 11,204,375,515.20
  5. Step 5: Solve for x
    x = 11,204,375,515.20/101,778.77
  6. Step 6: Final answer
    x = 110,085.59

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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.