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Finding the Fourth Proportional to 175,874.90, 263,809.98 and 42,754.77

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Solution

The fourth proportional to 175,874.90, 263,809.98 and 42,754.77 is: 64,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,874.90 : 263,809.98 = 42,754.77 : x
  2. Step 2: Convert to fraction form
    175,874.90/263,809.98 = 42,754.77/x
  3. Step 3: Cross multiply
    175,874.90x = 263,809.98 × 42,754.77
  4. Step 4: Simplify right side
    175,874.90x = 11,279,135,018.60
  5. Step 5: Solve for x
    x = 11,279,135,018.60/175,874.90
  6. Step 6: Final answer
    x = 64,131.58

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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.