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Finding the Fourth Proportional to 195,245.20, 292,867.80 and 162,002.80

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Solution

The fourth proportional to 195,245.20, 292,867.80 and 162,002.80 is: 243,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,245.20 : 292,867.80 = 162,002.80 : x
  2. Step 2: Convert to fraction form
    195,245.20/292,867.80 = 162,002.80/x
  3. Step 3: Cross multiply
    195,245.20x = 292,867.80 × 162,002.80
  4. Step 4: Simplify right side
    195,245.20x = 47,445,403,629.84
  5. Step 5: Solve for x
    x = 47,445,403,629.84/195,245.20
  6. Step 6: Final answer
    x = 243,004.20

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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.