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Finding the Fourth Proportional to 198,001.60, 297,002.40 and 55,846.60

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Solution

The fourth proportional to 198,001.60, 297,002.40 and 55,846.60 is: 83,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,001.60 : 297,002.40 = 55,846.60 : x
  2. Step 2: Convert to fraction form
    198,001.60/297,002.40 = 55,846.60/x
  3. Step 3: Cross multiply
    198,001.60x = 297,002.40 × 55,846.60
  4. Step 4: Simplify right side
    198,001.60x = 16,586,574,231.84
  5. Step 5: Solve for x
    x = 16,586,574,231.84/198,001.60
  6. Step 6: Final answer
    x = 83,769.90

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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.