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Finding the Fourth Proportional to 181,272.48, 271,947.56 and 76,030.80

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Solution

The fourth proportional to 181,272.48, 271,947.56 and 76,030.80 is: 114,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,272.48 : 271,947.56 = 76,030.80 : x
  2. Step 2: Convert to fraction form
    181,272.48/271,947.56 = 76,030.80/x
  3. Step 3: Cross multiply
    181,272.48x = 271,947.56 × 76,030.80
  4. Step 4: Simplify right side
    181,272.48x = 20,676,390,544.85
  5. Step 5: Solve for x
    x = 20,676,390,544.85/181,272.48
  6. Step 6: Final answer
    x = 114,062.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.