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Finding the Fourth Proportional to 101,843.55, 152,765.19 and 57,450.15

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Solution

The fourth proportional to 101,843.55, 152,765.19 and 57,450.15 is: 86,175.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,843.55 : 152,765.19 = 57,450.15 : x
  2. Step 2: Convert to fraction form
    101,843.55/152,765.19 = 57,450.15/x
  3. Step 3: Cross multiply
    101,843.55x = 152,765.19 × 57,450.15
  4. Step 4: Simplify right side
    101,843.55x = 8,776,383,080.28
  5. Step 5: Solve for x
    x = 8,776,383,080.28/101,843.55
  6. Step 6: Final answer
    x = 86,175.15

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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.