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Finding the Fourth Proportional to 101,415.44, 152,144.88 and 30,343.56

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Solution

The fourth proportional to 101,415.44, 152,144.88 and 30,343.56 is: 45,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,415.44 : 152,144.88 = 30,343.56 : x
  2. Step 2: Convert to fraction form
    101,415.44/152,144.88 = 30,343.56/x
  3. Step 3: Cross multiply
    101,415.44x = 152,144.88 × 30,343.56
  4. Step 4: Simplify right side
    101,415.44x = 4,616,617,637.14
  5. Step 5: Solve for x
    x = 4,616,617,637.14/101,415.44
  6. Step 6: Final answer
    x = 45,521.84

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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.