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Finding the Fourth Proportional to 113,517.53, 156,669.23 and 73,348.11

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Solution

The fourth proportional to 113,517.53, 156,669.23 and 73,348.11 is: 101,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,517.53 : 156,669.23 = 73,348.11 : x
  2. Step 2: Convert to fraction form
    113,517.53/156,669.23 = 73,348.11/x
  3. Step 3: Cross multiply
    113,517.53x = 156,669.23 × 73,348.11
  4. Step 4: Simplify right side
    113,517.53x = 11,491,392,307.33
  5. Step 5: Solve for x
    x = 11,491,392,307.33/113,517.53
  6. Step 6: Final answer
    x = 101,230.11

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1.5x scale

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.