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Finding the Fourth Proportional to 181,735.71, 272,646.71 and 57,076.71

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Solution

The fourth proportional to 181,735.71, 272,646.71 and 57,076.71 is: 85,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,735.71 : 272,646.71 = 57,076.71 : x
  2. Step 2: Convert to fraction form
    181,735.71/272,646.71 = 57,076.71/x
  3. Step 3: Cross multiply
    181,735.71x = 272,646.71 × 57,076.71
  4. Step 4: Simplify right side
    181,735.71x = 15,561,776,913.74
  5. Step 5: Solve for x
    x = 15,561,776,913.74/181,735.71
  6. Step 6: Final answer
    x = 85,628.61

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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.