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Finding the Fourth Proportional to 193,437.72, 266,716.80 and 163,169.64

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Solution

The fourth proportional to 193,437.72, 266,716.80 and 163,169.64 is: 224,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,437.72 : 266,716.80 = 163,169.64 : x
  2. Step 2: Convert to fraction form
    193,437.72/266,716.80 = 163,169.64/x
  3. Step 3: Cross multiply
    193,437.72x = 266,716.80 × 163,169.64
  4. Step 4: Simplify right side
    193,437.72x = 43,520,084,237.95
  5. Step 5: Solve for x
    x = 43,520,084,237.95/193,437.72
  6. Step 6: Final answer
    x = 224,982.41

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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.