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Finding the Fourth Proportional to 101,876.60, 152,848.10 and 51,249.49

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Solution

The fourth proportional to 101,876.60, 152,848.10 and 51,249.49 is: 76,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,876.60 : 152,848.10 = 51,249.49 : x
  2. Step 2: Convert to fraction form
    101,876.60/152,848.10 = 51,249.49/x
  3. Step 3: Cross multiply
    101,876.60x = 152,848.10 × 51,249.49
  4. Step 4: Simplify right side
    101,876.60x = 7,833,387,172.47
  5. Step 5: Solve for x
    x = 7,833,387,172.47/101,876.60
  6. Step 6: Final answer
    x = 76,890.94

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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.