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Finding the Fourth Proportional to 101,374.13, 139,893.83 and 56,050.97

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Solution

The fourth proportional to 101,374.13, 139,893.83 and 56,050.97 is: 77,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,374.13 : 139,893.83 = 56,050.97 : x
  2. Step 2: Convert to fraction form
    101,374.13/139,893.83 = 56,050.97/x
  3. Step 3: Cross multiply
    101,374.13x = 139,893.83 × 56,050.97
  4. Step 4: Simplify right side
    101,374.13x = 7,841,184,098.98
  5. Step 5: Solve for x
    x = 7,841,184,098.98/101,374.13
  6. Step 6: Final answer
    x = 77,348.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.