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Finding the Fourth Proportional to 181,898.71, 272,846.14 and 71,089.75

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Solution

The fourth proportional to 181,898.71, 272,846.14 and 71,089.75 is: 106,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,898.71 : 272,846.14 = 71,089.75 : x
  2. Step 2: Convert to fraction form
    181,898.71/272,846.14 = 71,089.75/x
  3. Step 3: Cross multiply
    181,898.71x = 272,846.14 × 71,089.75
  4. Step 4: Simplify right side
    181,898.71x = 19,396,563,881.07
  5. Step 5: Solve for x
    x = 19,396,563,881.07/181,898.71
  6. Step 6: Final answer
    x = 106,633.87

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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.