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Finding the Fourth Proportional to 101,269.52, 139,749.48 and 55,951.84

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Solution

The fourth proportional to 101,269.52, 139,749.48 and 55,951.84 is: 77,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,269.52 : 139,749.48 = 55,951.84 : x
  2. Step 2: Convert to fraction form
    101,269.52/139,749.48 = 55,951.84/x
  3. Step 3: Cross multiply
    101,269.52x = 139,749.48 × 55,951.84
  4. Step 4: Simplify right side
    101,269.52x = 7,819,240,545.04
  5. Step 5: Solve for x
    x = 7,819,240,545.04/101,269.52
  6. Step 6: Final answer
    x = 77,212.18

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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.