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Finding the Fourth Proportional to 84,968.81, 127,378.70 and 32,343.29

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Solution

The fourth proportional to 84,968.81, 127,378.70 and 32,343.29 is: 48,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,968.81 : 127,378.70 = 32,343.29 : x
  2. Step 2: Convert to fraction form
    84,968.81/127,378.70 = 32,343.29/x
  3. Step 3: Cross multiply
    84,968.81x = 127,378.70 × 32,343.29
  4. Step 4: Simplify right side
    84,968.81x = 4,119,846,072.21
  5. Step 5: Solve for x
    x = 4,119,846,072.21/84,968.81
  6. Step 6: Final answer
    x = 48,486.57

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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.