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Finding the Fourth Proportional to 192,266.83, 288,400.28 and 125,762.91

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Solution

The fourth proportional to 192,266.83, 288,400.28 and 125,762.91 is: 188,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,266.83 : 288,400.28 = 125,762.91 : x
  2. Step 2: Convert to fraction form
    192,266.83/288,400.28 = 125,762.91/x
  3. Step 3: Cross multiply
    192,266.83x = 288,400.28 × 125,762.91
  4. Step 4: Simplify right side
    192,266.83x = 36,270,056,386.80
  5. Step 5: Solve for x
    x = 36,270,056,386.80/192,266.83
  6. Step 6: Final answer
    x = 188,644.38

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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.