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Finding the Fourth Proportional to 193,434.56, 266,951.54 and 108,551.63

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Solution

The fourth proportional to 193,434.56, 266,951.54 and 108,551.63 is: 149,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,434.56 : 266,951.54 = 108,551.63 : x
  2. Step 2: Convert to fraction form
    193,434.56/266,951.54 = 108,551.63/x
  3. Step 3: Cross multiply
    193,434.56x = 266,951.54 × 108,551.63
  4. Step 4: Simplify right side
    193,434.56x = 28,978,024,798.01
  5. Step 5: Solve for x
    x = 28,978,024,798.01/193,434.56
  6. Step 6: Final answer
    x = 149,807.90

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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.