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Finding the Fourth Proportional to 101,425.32, 151,939.26 and 48,012.84

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Solution

The fourth proportional to 101,425.32, 151,939.26 and 48,012.84 is: 71,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,425.32 : 151,939.26 = 48,012.84 : x
  2. Step 2: Convert to fraction form
    101,425.32/151,939.26 = 48,012.84/x
  3. Step 3: Cross multiply
    101,425.32x = 151,939.26 × 48,012.84
  4. Step 4: Simplify right side
    101,425.32x = 7,295,035,380.10
  5. Step 5: Solve for x
    x = 7,295,035,380.10/101,425.32
  6. Step 6: Final answer
    x = 71,925.19

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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.