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Finding the Fourth Proportional to 181,534.84, 250,487.51 and 100,951.79

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Solution

The fourth proportional to 181,534.84, 250,487.51 and 100,951.79 is: 139,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,534.84 : 250,487.51 = 100,951.79 : x
  2. Step 2: Convert to fraction form
    181,534.84/250,487.51 = 100,951.79/x
  3. Step 3: Cross multiply
    181,534.84x = 250,487.51 × 100,951.79
  4. Step 4: Simplify right side
    181,534.84x = 25,287,160,749.95
  5. Step 5: Solve for x
    x = 25,287,160,749.95/181,534.84
  6. Step 6: Final answer
    x = 139,296.46

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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.