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Finding the Fourth Proportional to 193,225, 266,559.78 and 136,667.56

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Solution

The fourth proportional to 193,225, 266,559.78 and 136,667.56 is: 188,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,225 : 266,559.78 = 136,667.56 : x
  2. Step 2: Convert to fraction form
    193,225/266,559.78 = 136,667.56/x
  3. Step 3: Cross multiply
    193,225x = 266,559.78 × 136,667.56
  4. Step 4: Simplify right side
    193,225x = 36,430,074,726.74
  5. Step 5: Solve for x
    x = 36,430,074,726.74/193,225
  6. Step 6: Final answer
    x = 188,537.07

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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.