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Finding the Fourth Proportional to 101,677.75, 152,569.81 and 73,827.85

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Solution

The fourth proportional to 101,677.75, 152,569.81 and 73,827.85 is: 110,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,677.75 : 152,569.81 = 73,827.85 : x
  2. Step 2: Convert to fraction form
    101,677.75/152,569.81 = 73,827.85/x
  3. Step 3: Cross multiply
    101,677.75x = 152,569.81 × 73,827.85
  4. Step 4: Simplify right side
    101,677.75x = 11,263,901,047.21
  5. Step 5: Solve for x
    x = 11,263,901,047.21/101,677.75
  6. Step 6: Final answer
    x = 110,780.39

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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.