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Finding the Fourth Proportional to 192,493.11, 288,643.30 and 59,356.07

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Solution

The fourth proportional to 192,493.11, 288,643.30 and 59,356.07 is: 89,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,493.11 : 288,643.30 = 59,356.07 : x
  2. Step 2: Convert to fraction form
    192,493.11/288,643.30 = 59,356.07/x
  3. Step 3: Cross multiply
    192,493.11x = 288,643.30 × 59,356.07
  4. Step 4: Simplify right side
    192,493.11x = 17,132,731,410.64
  5. Step 5: Solve for x
    x = 17,132,731,410.64/192,493.11
  6. Step 6: Final answer
    x = 89,004.39

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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.