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Finding the Fourth Proportional to 181,220.68, 250,076.42 and 108,663.62

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Solution

The fourth proportional to 181,220.68, 250,076.42 and 108,663.62 is: 149,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,220.68 : 250,076.42 = 108,663.62 : x
  2. Step 2: Convert to fraction form
    181,220.68/250,076.42 = 108,663.62/x
  3. Step 3: Cross multiply
    181,220.68x = 250,076.42 × 108,663.62
  4. Step 4: Simplify right side
    181,220.68x = 27,174,209,073.84
  5. Step 5: Solve for x
    x = 27,174,209,073.84/181,220.68
  6. Step 6: Final answer
    x = 149,950.93

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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.