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Finding the Fourth Proportional to 73,660.65, 101,648.39 and 43,036.57

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Solution

The fourth proportional to 73,660.65, 101,648.39 and 43,036.57 is: 59,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,660.65 : 101,648.39 = 43,036.57 : x
  2. Step 2: Convert to fraction form
    73,660.65/101,648.39 = 43,036.57/x
  3. Step 3: Cross multiply
    73,660.65x = 101,648.39 × 43,036.57
  4. Step 4: Simplify right side
    73,660.65x = 4,374,598,051.62
  5. Step 5: Solve for x
    x = 4,374,598,051.62/73,660.65
  6. Step 6: Final answer
    x = 59,388.53

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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.