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Finding the Fourth Proportional to 193,229.65, 266,659.54 and 144,745.68

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Solution

The fourth proportional to 193,229.65, 266,659.54 and 144,745.68 is: 199,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,229.65 : 266,659.54 = 144,745.68 : x
  2. Step 2: Convert to fraction form
    193,229.65/266,659.54 = 144,745.68/x
  3. Step 3: Cross multiply
    193,229.65x = 266,659.54 × 144,745.68
  4. Step 4: Simplify right side
    193,229.65x = 38,597,817,898.09
  5. Step 5: Solve for x
    x = 38,597,817,898.09/193,229.65
  6. Step 6: Final answer
    x = 199,751.01

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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.