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Finding the Fourth Proportional to 108,347.70, 162,538.86 and 33,450.24

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Solution

The fourth proportional to 108,347.70, 162,538.86 and 33,450.24 is: 50,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,347.70 : 162,538.86 = 33,450.24 : x
  2. Step 2: Convert to fraction form
    108,347.70/162,538.86 = 33,450.24/x
  3. Step 3: Cross multiply
    108,347.70x = 162,538.86 × 33,450.24
  4. Step 4: Simplify right side
    108,347.70x = 5,436,963,063.63
  5. Step 5: Solve for x
    x = 5,436,963,063.63/108,347.70
  6. Step 6: Final answer
    x = 50,180.70

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1.5x scale

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.