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Finding the Fourth Proportional to 198,701.30, 298,055.22 and 58,463.30

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Solution

The fourth proportional to 198,701.30, 298,055.22 and 58,463.30 is: 87,695.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,701.30 : 298,055.22 = 58,463.30 : x
  2. Step 2: Convert to fraction form
    198,701.30/298,055.22 = 58,463.30/x
  3. Step 3: Cross multiply
    198,701.30x = 298,055.22 × 58,463.30
  4. Step 4: Simplify right side
    198,701.30x = 17,425,291,743.43
  5. Step 5: Solve for x
    x = 17,425,291,743.43/198,701.30
  6. Step 6: Final answer
    x = 87,695.91

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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.