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Finding the Fourth Proportional to 146,365.38, 201,994.56 and 82,709.10

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Solution

The fourth proportional to 146,365.38, 201,994.56 and 82,709.10 is: 114,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,365.38 : 201,994.56 = 82,709.10 : x
  2. Step 2: Convert to fraction form
    146,365.38/201,994.56 = 82,709.10/x
  3. Step 3: Cross multiply
    146,365.38x = 201,994.56 × 82,709.10
  4. Step 4: Simplify right side
    146,365.38x = 16,706,788,262.50
  5. Step 5: Solve for x
    x = 16,706,788,262.50/146,365.38
  6. Step 6: Final answer
    x = 114,144.40

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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.