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Finding the Fourth Proportional to 173,753.60, 260,754.84 and 73,983.80

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Solution

The fourth proportional to 173,753.60, 260,754.84 and 73,983.80 is: 111,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,753.60 : 260,754.84 = 73,983.80 : x
  2. Step 2: Convert to fraction form
    173,753.60/260,754.84 = 73,983.80/x
  3. Step 3: Cross multiply
    173,753.60x = 260,754.84 × 73,983.80
  4. Step 4: Simplify right side
    173,753.60x = 19,291,633,931.59
  5. Step 5: Solve for x
    x = 19,291,633,931.59/173,753.60
  6. Step 6: Final answer
    x = 111,028.69

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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.