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Finding the Fourth Proportional to 192,480.52, 288,717.60 and 57,544.90

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Solution

The fourth proportional to 192,480.52, 288,717.60 and 57,544.90 is: 86,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,480.52 : 288,717.60 = 57,544.90 : x
  2. Step 2: Convert to fraction form
    192,480.52/288,717.60 = 57,544.90/x
  3. Step 3: Cross multiply
    192,480.52x = 288,717.60 × 57,544.90
  4. Step 4: Simplify right side
    192,480.52x = 16,614,225,565.34
  5. Step 5: Solve for x
    x = 16,614,225,565.34/192,480.52
  6. Step 6: Final answer
    x = 86,316.40

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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.