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Finding the Fourth Proportional to 198,534.52, 297,870.90 and 93,433.72

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Solution

The fourth proportional to 198,534.52, 297,870.90 and 93,433.72 is: 140,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,534.52 : 297,870.90 = 93,433.72 : x
  2. Step 2: Convert to fraction form
    198,534.52/297,870.90 = 93,433.72/x
  3. Step 3: Cross multiply
    198,534.52x = 297,870.90 × 93,433.72
  4. Step 4: Simplify right side
    198,534.52x = 27,831,186,266.75
  5. Step 5: Solve for x
    x = 27,831,186,266.75/198,534.52
  6. Step 6: Final answer
    x = 140,183.11

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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.