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Finding the Fourth Proportional to 181,763.56, 250,838 and 101,196.50

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Solution

The fourth proportional to 181,763.56, 250,838 and 101,196.50 is: 139,653.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,763.56 : 250,838 = 101,196.50 : x
  2. Step 2: Convert to fraction form
    181,763.56/250,838 = 101,196.50/x
  3. Step 3: Cross multiply
    181,763.56x = 250,838 × 101,196.50
  4. Step 4: Simplify right side
    181,763.56x = 25,383,927,667
  5. Step 5: Solve for x
    x = 25,383,927,667/181,763.56
  6. Step 6: Final answer
    x = 139,653.56

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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.