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Finding the Fourth Proportional to 101,846.55, 152,710.62 and 68,151.09

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Solution

The fourth proportional to 101,846.55, 152,710.62 and 68,151.09 is: 102,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,846.55 : 152,710.62 = 68,151.09 : x
  2. Step 2: Convert to fraction form
    101,846.55/152,710.62 = 68,151.09/x
  3. Step 3: Cross multiply
    101,846.55x = 152,710.62 × 68,151.09
  4. Step 4: Simplify right side
    101,846.55x = 10,407,395,207.58
  5. Step 5: Solve for x
    x = 10,407,395,207.58/101,846.55
  6. Step 6: Final answer
    x = 102,187.02

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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.