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Finding the Fourth Proportional to 108,122.81, 162,242.37 and 44,986.50

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Solution

The fourth proportional to 108,122.81, 162,242.37 and 44,986.50 is: 67,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,122.81 : 162,242.37 = 44,986.50 : x
  2. Step 2: Convert to fraction form
    108,122.81/162,242.37 = 44,986.50/x
  3. Step 3: Cross multiply
    108,122.81x = 162,242.37 × 44,986.50
  4. Step 4: Simplify right side
    108,122.81x = 7,298,716,378.01
  5. Step 5: Solve for x
    x = 7,298,716,378.01/108,122.81
  6. Step 6: Final answer
    x = 67,503.95

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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.