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Finding the Fourth Proportional to 119,875.68, 179,893.77 and 49,755.06

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Solution

The fourth proportional to 119,875.68, 179,893.77 and 49,755.06 is: 74,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,875.68 : 179,893.77 = 49,755.06 : x
  2. Step 2: Convert to fraction form
    119,875.68/179,893.77 = 49,755.06/x
  3. Step 3: Cross multiply
    119,875.68x = 179,893.77 × 49,755.06
  4. Step 4: Simplify right side
    119,875.68x = 8,950,625,319.98
  5. Step 5: Solve for x
    x = 8,950,625,319.98/119,875.68
  6. Step 6: Final answer
    x = 74,665.90

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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.