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Finding the Fourth Proportional to 193,433.54, 266,957.45 and 108,550.94

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Solution

The fourth proportional to 193,433.54, 266,957.45 and 108,550.94 is: 149,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,433.54 : 266,957.45 = 108,550.94 : x
  2. Step 2: Convert to fraction form
    193,433.54/266,957.45 = 108,550.94/x
  3. Step 3: Cross multiply
    193,433.54x = 266,957.45 × 108,550.94
  4. Step 4: Simplify right side
    193,433.54x = 28,978,480,259.96
  5. Step 5: Solve for x
    x = 28,978,480,259.96/193,433.54
  6. Step 6: Final answer
    x = 149,811.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.