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Finding the Fourth Proportional to 101,215.80, 151,823.70 and 35,551.80

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Solution

The fourth proportional to 101,215.80, 151,823.70 and 35,551.80 is: 53,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,215.80 : 151,823.70 = 35,551.80 : x
  2. Step 2: Convert to fraction form
    101,215.80/151,823.70 = 35,551.80/x
  3. Step 3: Cross multiply
    101,215.80x = 151,823.70 × 35,551.80
  4. Step 4: Simplify right side
    101,215.80x = 5,397,605,817.66
  5. Step 5: Solve for x
    x = 5,397,605,817.66/101,215.80
  6. Step 6: Final answer
    x = 53,327.70

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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.