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Finding the Fourth Proportional to 366,709.11, 550,141.63 and 113,983.53

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Solution

The fourth proportional to 366,709.11, 550,141.63 and 113,983.53 is: 170,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,709.11 : 550,141.63 = 113,983.53 : x
  2. Step 2: Convert to fraction form
    366,709.11/550,141.63 = 113,983.53/x
  3. Step 3: Cross multiply
    366,709.11x = 550,141.63 × 113,983.53
  4. Step 4: Simplify right side
    366,709.11x = 62,707,084,987.35
  5. Step 5: Solve for x
    x = 62,707,084,987.35/366,709.11
  6. Step 6: Final answer
    x = 170,999.53

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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.