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Finding the Fourth Proportional to 198,328.56, 297,514.03 and 63,345.50

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Solution

The fourth proportional to 198,328.56, 297,514.03 and 63,345.50 is: 95,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,328.56 : 297,514.03 = 63,345.50 : x
  2. Step 2: Convert to fraction form
    198,328.56/297,514.03 = 63,345.50/x
  3. Step 3: Cross multiply
    198,328.56x = 297,514.03 × 63,345.50
  4. Step 4: Simplify right side
    198,328.56x = 18,846,174,987.37
  5. Step 5: Solve for x
    x = 18,846,174,987.37/198,328.56
  6. Step 6: Final answer
    x = 95,025.02

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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.