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Finding the Fourth Proportional to 67,804.20, 101,632.41 and 57,913.47

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Solution

The fourth proportional to 67,804.20, 101,632.41 and 57,913.47 is: 86,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,804.20 : 101,632.41 = 57,913.47 : x
  2. Step 2: Convert to fraction form
    67,804.20/101,632.41 = 57,913.47/x
  3. Step 3: Cross multiply
    67,804.20x = 101,632.41 × 57,913.47
  4. Step 4: Simplify right side
    67,804.20x = 5,885,885,527.56
  5. Step 5: Solve for x
    x = 5,885,885,527.56/67,804.20
  6. Step 6: Final answer
    x = 86,807.09

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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.