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Finding the Fourth Proportional to 192,468.72, 288,684.51 and 59,313.23

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Solution

The fourth proportional to 192,468.72, 288,684.51 and 59,313.23 is: 88,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,468.72 : 288,684.51 = 59,313.23 : x
  2. Step 2: Convert to fraction form
    192,468.72/288,684.51 = 59,313.23/x
  3. Step 3: Cross multiply
    192,468.72x = 288,684.51 × 59,313.23
  4. Step 4: Simplify right side
    192,468.72x = 17,122,810,739.07
  5. Step 5: Solve for x
    x = 17,122,810,739.07/192,468.72
  6. Step 6: Final answer
    x = 88,964.12

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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.