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Finding the Fourth Proportional to 101,148.24, 151,599.24 and 71,574.60

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Solution

The fourth proportional to 101,148.24, 151,599.24 and 71,574.60 is: 107,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,148.24 : 151,599.24 = 71,574.60 : x
  2. Step 2: Convert to fraction form
    101,148.24/151,599.24 = 71,574.60/x
  3. Step 3: Cross multiply
    101,148.24x = 151,599.24 × 71,574.60
  4. Step 4: Simplify right side
    101,148.24x = 10,850,654,963.30
  5. Step 5: Solve for x
    x = 10,850,654,963.30/101,148.24
  6. Step 6: Final answer
    x = 107,274.78

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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.