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Finding the Fourth Proportional to 101,269.83, 139,748.09 and 58,246.07

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Solution

The fourth proportional to 101,269.83, 139,748.09 and 58,246.07 is: 80,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,269.83 : 139,748.09 = 58,246.07 : x
  2. Step 2: Convert to fraction form
    101,269.83/139,748.09 = 58,246.07/x
  3. Step 3: Cross multiply
    101,269.83x = 139,748.09 × 58,246.07
  4. Step 4: Simplify right side
    101,269.83x = 8,139,776,042.54
  5. Step 5: Solve for x
    x = 8,139,776,042.54/101,269.83
  6. Step 6: Final answer
    x = 80,377.11

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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.