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Finding the Fourth Proportional to 173,147.60, 259,667.40 and 67,998.80

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Solution

The fourth proportional to 173,147.60, 259,667.40 and 67,998.80 is: 101,976.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,147.60 : 259,667.40 = 67,998.80 : x
  2. Step 2: Convert to fraction form
    173,147.60/259,667.40 = 67,998.80/x
  3. Step 3: Cross multiply
    173,147.60x = 259,667.40 × 67,998.80
  4. Step 4: Simplify right side
    173,147.60x = 17,657,071,599.12
  5. Step 5: Solve for x
    x = 17,657,071,599.12/173,147.60
  6. Step 6: Final answer
    x = 101,976.99

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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.