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Finding the Fourth Proportional to 202,023.60, 302,986.80 and 61,783.44

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Solution

The fourth proportional to 202,023.60, 302,986.80 and 61,783.44 is: 92,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,023.60 : 302,986.80 = 61,783.44 : x
  2. Step 2: Convert to fraction form
    202,023.60/302,986.80 = 61,783.44/x
  3. Step 3: Cross multiply
    202,023.60x = 302,986.80 × 61,783.44
  4. Step 4: Simplify right side
    202,023.60x = 18,719,566,778.59
  5. Step 5: Solve for x
    x = 18,719,566,778.59/202,023.60
  6. Step 6: Final answer
    x = 92,660.30

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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.