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Finding the Fourth Proportional to 200,999.52, 301,543.02 and 60,754.50

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Solution

The fourth proportional to 200,999.52, 301,543.02 and 60,754.50 is: 91,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,999.52 : 301,543.02 = 60,754.50 : x
  2. Step 2: Convert to fraction form
    200,999.52/301,543.02 = 60,754.50/x
  3. Step 3: Cross multiply
    200,999.52x = 301,543.02 × 60,754.50
  4. Step 4: Simplify right side
    200,999.52x = 18,320,095,408.59
  5. Step 5: Solve for x
    x = 18,320,095,408.59/200,999.52
  6. Step 6: Final answer
    x = 91,144.97

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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.