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Finding the Fourth Proportional to 199,472.70, 298,901.52 and 98,154.48

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Solution

The fourth proportional to 199,472.70, 298,901.52 and 98,154.48 is: 147,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,472.70 : 298,901.52 = 98,154.48 : x
  2. Step 2: Convert to fraction form
    199,472.70/298,901.52 = 98,154.48/x
  3. Step 3: Cross multiply
    199,472.70x = 298,901.52 × 98,154.48
  4. Step 4: Simplify right side
    199,472.70x = 29,338,523,266.81
  5. Step 5: Solve for x
    x = 29,338,523,266.81/199,472.70
  6. Step 6: Final answer
    x = 147,080.39

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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.