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Finding the Fourth Proportional to 192,612.15, 288,949.01 and 59,461.11

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Solution

The fourth proportional to 192,612.15, 288,949.01 and 59,461.11 is: 89,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,612.15 : 288,949.01 = 59,461.11 : x
  2. Step 2: Convert to fraction form
    192,612.15/288,949.01 = 59,461.11/x
  3. Step 3: Cross multiply
    192,612.15x = 288,949.01 × 59,461.11
  4. Step 4: Simplify right side
    192,612.15x = 17,181,228,570.70
  5. Step 5: Solve for x
    x = 17,181,228,570.70/192,612.15
  6. Step 6: Final answer
    x = 89,201.17

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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.