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Finding the Fourth Proportional to 181,846.80, 272,825.28 and 142,003.44

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Solution

The fourth proportional to 181,846.80, 272,825.28 and 142,003.44 is: 213,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,846.80 : 272,825.28 = 142,003.44 : x
  2. Step 2: Convert to fraction form
    181,846.80/272,825.28 = 142,003.44/x
  3. Step 3: Cross multiply
    181,846.80x = 272,825.28 × 142,003.44
  4. Step 4: Simplify right side
    181,846.80x = 38,742,128,278.96
  5. Step 5: Solve for x
    x = 38,742,128,278.96/181,846.80
  6. Step 6: Final answer
    x = 213,048.17

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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.