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Finding the Fourth Proportional to 198,062.04, 297,072 and 55,903.80

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Solution

The fourth proportional to 198,062.04, 297,072 and 55,903.80 is: 83,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,062.04 : 297,072 = 55,903.80 : x
  2. Step 2: Convert to fraction form
    198,062.04/297,072 = 55,903.80/x
  3. Step 3: Cross multiply
    198,062.04x = 297,072 × 55,903.80
  4. Step 4: Simplify right side
    198,062.04x = 16,607,453,673.60
  5. Step 5: Solve for x
    x = 16,607,453,673.60/198,062.04
  6. Step 6: Final answer
    x = 83,849.76

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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.