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Finding the Fourth Proportional to 86,674.41, 119,608.41 and 48,434.28

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Solution

The fourth proportional to 86,674.41, 119,608.41 and 48,434.28 is: 66,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,674.41 : 119,608.41 = 48,434.28 : x
  2. Step 2: Convert to fraction form
    86,674.41/119,608.41 = 48,434.28/x
  3. Step 3: Cross multiply
    86,674.41x = 119,608.41 × 48,434.28
  4. Step 4: Simplify right side
    86,674.41x = 5,793,147,220.29
  5. Step 5: Solve for x
    x = 5,793,147,220.29/86,674.41
  6. Step 6: Final answer
    x = 66,838.03

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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.