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Finding the Fourth Proportional to 198,108.91, 297,200.36 and 65,027.26

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Solution

The fourth proportional to 198,108.91, 297,200.36 and 65,027.26 is: 97,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,108.91 : 297,200.36 = 65,027.26 : x
  2. Step 2: Convert to fraction form
    198,108.91/297,200.36 = 65,027.26/x
  3. Step 3: Cross multiply
    198,108.91x = 297,200.36 × 65,027.26
  4. Step 4: Simplify right side
    198,108.91x = 19,326,125,081.81
  5. Step 5: Solve for x
    x = 19,326,125,081.81/198,108.91
  6. Step 6: Final answer
    x = 97,553.03

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1.5x scale

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.