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Finding the Fourth Proportional to 200,820.76, 301,233.26 and 60,580.60

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Solution

The fourth proportional to 200,820.76, 301,233.26 and 60,580.60 is: 90,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,820.76 : 301,233.26 = 60,580.60 : x
  2. Step 2: Convert to fraction form
    200,820.76/301,233.26 = 60,580.60/x
  3. Step 3: Cross multiply
    200,820.76x = 301,233.26 × 60,580.60
  4. Step 4: Simplify right side
    200,820.76x = 18,248,891,630.76
  5. Step 5: Solve for x
    x = 18,248,891,630.76/200,820.76
  6. Step 6: Final answer
    x = 90,871.54

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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.