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Finding the Fourth Proportional to 181,667.34, 250,697.16 and 101,091.78

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Solution

The fourth proportional to 181,667.34, 250,697.16 and 101,091.78 is: 139,504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,667.34 : 250,697.16 = 101,091.78 : x
  2. Step 2: Convert to fraction form
    181,667.34/250,697.16 = 101,091.78/x
  3. Step 3: Cross multiply
    181,667.34x = 250,697.16 × 101,091.78
  4. Step 4: Simplify right side
    181,667.34x = 25,343,422,145.34
  5. Step 5: Solve for x
    x = 25,343,422,145.34/181,667.34
  6. Step 6: Final answer
    x = 139,504.56

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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.