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Finding the Fourth Proportional to 192,645.48, 288,918.50 and 57,682.92

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Solution

The fourth proportional to 192,645.48, 288,918.50 and 57,682.92 is: 86,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,645.48 : 288,918.50 = 57,682.92 : x
  2. Step 2: Convert to fraction form
    192,645.48/288,918.50 = 57,682.92/x
  3. Step 3: Cross multiply
    192,645.48x = 288,918.50 × 57,682.92
  4. Step 4: Simplify right side
    192,645.48x = 16,665,662,722.02
  5. Step 5: Solve for x
    x = 16,665,662,722.02/192,645.48
  6. Step 6: Final answer
    x = 86,509.49

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1.5x scale

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.