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Finding the Fourth Proportional to 73,618, 101,586.44 and 41,788.24

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Solution

The fourth proportional to 73,618, 101,586.44 and 41,788.24 is: 57,664.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,618 : 101,586.44 = 41,788.24 : x
  2. Step 2: Convert to fraction form
    73,618/101,586.44 = 41,788.24/x
  3. Step 3: Cross multiply
    73,618x = 101,586.44 × 41,788.24
  4. Step 4: Simplify right side
    73,618x = 4,245,118,535.47
  5. Step 5: Solve for x
    x = 4,245,118,535.47/73,618
  6. Step 6: Final answer
    x = 57,664.14

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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.