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Finding the Fourth Proportional to 101,809.78, 152,678.07 and 35,231.83

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Solution

The fourth proportional to 101,809.78, 152,678.07 and 35,231.83 is: 52,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,809.78 : 152,678.07 = 35,231.83 : x
  2. Step 2: Convert to fraction form
    101,809.78/152,678.07 = 35,231.83/x
  3. Step 3: Cross multiply
    101,809.78x = 152,678.07 × 35,231.83
  4. Step 4: Simplify right side
    101,809.78x = 5,379,127,043.58
  5. Step 5: Solve for x
    x = 5,379,127,043.58/101,809.78
  6. Step 6: Final answer
    x = 52,835.07

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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.