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Finding the Fourth Proportional to 201,348.06, 302,015.10 and 51,589.60

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Solution

The fourth proportional to 201,348.06, 302,015.10 and 51,589.60 is: 77,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,348.06 : 302,015.10 = 51,589.60 : x
  2. Step 2: Convert to fraction form
    201,348.06/302,015.10 = 51,589.60/x
  3. Step 3: Cross multiply
    201,348.06x = 302,015.10 × 51,589.60
  4. Step 4: Simplify right side
    201,348.06x = 15,580,838,202.96
  5. Step 5: Solve for x
    x = 15,580,838,202.96/201,348.06
  6. Step 6: Final answer
    x = 77,382.61

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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.