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Finding the Fourth Proportional to 62,969.81, 94,491.62 and 45,181.30

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Solution

The fourth proportional to 62,969.81, 94,491.62 and 45,181.30 is: 67,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,969.81 : 94,491.62 = 45,181.30 : x
  2. Step 2: Convert to fraction form
    62,969.81/94,491.62 = 45,181.30/x
  3. Step 3: Cross multiply
    62,969.81x = 94,491.62 × 45,181.30
  4. Step 4: Simplify right side
    62,969.81x = 4,269,254,373.19
  5. Step 5: Solve for x
    x = 4,269,254,373.19/62,969.81
  6. Step 6: Final answer
    x = 67,798.43

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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.