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Finding the Fourth Proportional to 181,189.76, 250,057.92 and 105,762.56

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Solution

The fourth proportional to 181,189.76, 250,057.92 and 105,762.56 is: 145,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,189.76 : 250,057.92 = 105,762.56 : x
  2. Step 2: Convert to fraction form
    181,189.76/250,057.92 = 105,762.56/x
  3. Step 3: Cross multiply
    181,189.76x = 250,057.92 × 105,762.56
  4. Step 4: Simplify right side
    181,189.76x = 26,446,765,767.48
  5. Step 5: Solve for x
    x = 26,446,765,767.48/181,189.76
  6. Step 6: Final answer
    x = 145,961.70

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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.