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Finding the Fourth Proportional to 181,355.74, 250,277.22 and 100,786.66

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Solution

The fourth proportional to 181,355.74, 250,277.22 and 100,786.66 is: 139,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,355.74 : 250,277.22 = 100,786.66 : x
  2. Step 2: Convert to fraction form
    181,355.74/250,277.22 = 100,786.66/x
  3. Step 3: Cross multiply
    181,355.74x = 250,277.22 × 100,786.66
  4. Step 4: Simplify right side
    181,355.74x = 25,224,605,077.89
  5. Step 5: Solve for x
    x = 25,224,605,077.89/181,355.74
  6. Step 6: Final answer
    x = 139,089.09

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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.