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Finding the Fourth Proportional to 192,565.20, 288,847.80 and 59,433.60

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Solution

The fourth proportional to 192,565.20, 288,847.80 and 59,433.60 is: 89,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,565.20 : 288,847.80 = 59,433.60 : x
  2. Step 2: Convert to fraction form
    192,565.20/288,847.80 = 59,433.60/x
  3. Step 3: Cross multiply
    192,565.20x = 288,847.80 × 59,433.60
  4. Step 4: Simplify right side
    192,565.20x = 17,167,264,606.08
  5. Step 5: Solve for x
    x = 17,167,264,606.08/192,565.20
  6. Step 6: Final answer
    x = 89,150.40

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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.