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Finding the Fourth Proportional to 181,056.69, 250,065.59 and 119,243.49

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Solution

The fourth proportional to 181,056.69, 250,065.59 and 119,243.49 is: 164,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,056.69 : 250,065.59 = 119,243.49 : x
  2. Step 2: Convert to fraction form
    181,056.69/250,065.59 = 119,243.49/x
  3. Step 3: Cross multiply
    181,056.69x = 250,065.59 × 119,243.49
  4. Step 4: Simplify right side
    181,056.69x = 29,818,693,084.29
  5. Step 5: Solve for x
    x = 29,818,693,084.29/181,056.69
  6. Step 6: Final answer
    x = 164,692.58

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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.