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Finding the Fourth Proportional to 198,616.36, 297,966.30 and 58,363.24

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Solution

The fourth proportional to 198,616.36, 297,966.30 and 58,363.24 is: 87,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,616.36 : 297,966.30 = 58,363.24 : x
  2. Step 2: Convert to fraction form
    198,616.36/297,966.30 = 58,363.24/x
  3. Step 3: Cross multiply
    198,616.36x = 297,966.30 × 58,363.24
  4. Step 4: Simplify right side
    198,616.36x = 17,390,278,678.81
  5. Step 5: Solve for x
    x = 17,390,278,678.81/198,616.36
  6. Step 6: Final answer
    x = 87,557.13

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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.