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Finding the Fourth Proportional to 192,268.55, 288,403.53 and 59,147.88

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Solution

The fourth proportional to 192,268.55, 288,403.53 and 59,147.88 is: 88,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,268.55 : 288,403.53 = 59,147.88 : x
  2. Step 2: Convert to fraction form
    192,268.55/288,403.53 = 59,147.88/x
  3. Step 3: Cross multiply
    192,268.55x = 288,403.53 × 59,147.88
  4. Step 4: Simplify right side
    192,268.55x = 17,058,457,384.02
  5. Step 5: Solve for x
    x = 17,058,457,384.02/192,268.55
  6. Step 6: Final answer
    x = 88,722.04

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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.