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Finding the Fourth Proportional to 198,030.86, 297,014.89 and 63,077.42

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Solution

The fourth proportional to 198,030.86, 297,014.89 and 63,077.42 is: 94,606.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,030.86 : 297,014.89 = 63,077.42 : x
  2. Step 2: Convert to fraction form
    198,030.86/297,014.89 = 63,077.42/x
  3. Step 3: Cross multiply
    198,030.86x = 297,014.89 × 63,077.42
  4. Step 4: Simplify right side
    198,030.86x = 18,734,932,962.78
  5. Step 5: Solve for x
    x = 18,734,932,962.78/198,030.86
  6. Step 6: Final answer
    x = 94,606.13

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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.