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Finding the Fourth Proportional to 181,917.96, 251,028.90 and 101,342.40

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Solution

The fourth proportional to 181,917.96, 251,028.90 and 101,342.40 is: 139,842.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,917.96 : 251,028.90 = 101,342.40 : x
  2. Step 2: Convert to fraction form
    181,917.96/251,028.90 = 101,342.40/x
  3. Step 3: Cross multiply
    181,917.96x = 251,028.90 × 101,342.40
  4. Step 4: Simplify right side
    181,917.96x = 25,439,871,195.36
  5. Step 5: Solve for x
    x = 25,439,871,195.36/181,917.96
  6. Step 6: Final answer
    x = 139,842.55

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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.