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Finding the Fourth Proportional to 198,617.80, 297,926.70 and 184,037.80

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Solution

The fourth proportional to 198,617.80, 297,926.70 and 184,037.80 is: 276,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,617.80 : 297,926.70 = 184,037.80 : x
  2. Step 2: Convert to fraction form
    198,617.80/297,926.70 = 184,037.80/x
  3. Step 3: Cross multiply
    198,617.80x = 297,926.70 × 184,037.80
  4. Step 4: Simplify right side
    198,617.80x = 54,829,774,429.26
  5. Step 5: Solve for x
    x = 54,829,774,429.26/198,617.80
  6. Step 6: Final answer
    x = 276,056.70

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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.