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Finding the Fourth Proportional to 198,663.66, 297,987.48 and 48,896.64

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Solution

The fourth proportional to 198,663.66, 297,987.48 and 48,896.64 is: 73,342.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,663.66 : 297,987.48 = 48,896.64 : x
  2. Step 2: Convert to fraction form
    198,663.66/297,987.48 = 48,896.64/x
  3. Step 3: Cross multiply
    198,663.66x = 297,987.48 × 48,896.64
  4. Step 4: Simplify right side
    198,663.66x = 14,570,586,534.07
  5. Step 5: Solve for x
    x = 14,570,586,534.07/198,663.66
  6. Step 6: Final answer
    x = 73,342.99

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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.