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Finding the Fourth Proportional to 198,491.60, 297,737.40 and 184,494.80

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Solution

The fourth proportional to 198,491.60, 297,737.40 and 184,494.80 is: 276,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,491.60 : 297,737.40 = 184,494.80 : x
  2. Step 2: Convert to fraction form
    198,491.60/297,737.40 = 184,494.80/x
  3. Step 3: Cross multiply
    198,491.60x = 297,737.40 × 184,494.80
  4. Step 4: Simplify right side
    198,491.60x = 54,931,002,065.52
  5. Step 5: Solve for x
    x = 54,931,002,065.52/198,491.60
  6. Step 6: Final answer
    x = 276,742.20

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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.