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Finding the Fourth Proportional to 101,393.38, 152,043.92 and 53,996.30

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Solution

The fourth proportional to 101,393.38, 152,043.92 and 53,996.30 is: 80,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,393.38 : 152,043.92 = 53,996.30 : x
  2. Step 2: Convert to fraction form
    101,393.38/152,043.92 = 53,996.30/x
  3. Step 3: Cross multiply
    101,393.38x = 152,043.92 × 53,996.30
  4. Step 4: Simplify right side
    101,393.38x = 8,209,809,117.50
  5. Step 5: Solve for x
    x = 8,209,809,117.50/101,393.38
  6. Step 6: Final answer
    x = 80,969.87

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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.