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Finding the Fourth Proportional to 60,251.76, 83,147.43 and 33,398.31

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Solution

The fourth proportional to 60,251.76, 83,147.43 and 33,398.31 is: 46,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,251.76 : 83,147.43 = 33,398.31 : x
  2. Step 2: Convert to fraction form
    60,251.76/83,147.43 = 33,398.31/x
  3. Step 3: Cross multiply
    60,251.76x = 83,147.43 × 33,398.31
  4. Step 4: Simplify right side
    60,251.76x = 2,776,983,642.84
  5. Step 5: Solve for x
    x = 2,776,983,642.84/60,251.76
  6. Step 6: Final answer
    x = 46,089.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.