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Finding the Fourth Proportional to 113,273.80, 169,910.70 and 101,998.60

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Solution

The fourth proportional to 113,273.80, 169,910.70 and 101,998.60 is: 152,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,273.80 : 169,910.70 = 101,998.60 : x
  2. Step 2: Convert to fraction form
    113,273.80/169,910.70 = 101,998.60/x
  3. Step 3: Cross multiply
    113,273.80x = 169,910.70 × 101,998.60
  4. Step 4: Simplify right side
    113,273.80x = 17,330,653,525.02
  5. Step 5: Solve for x
    x = 17,330,653,525.02/113,273.80
  6. Step 6: Final answer
    x = 152,997.90

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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.