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Finding the Fourth Proportional to 207,160.67, 285,903.68 and 126,635.33

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Solution

The fourth proportional to 207,160.67, 285,903.68 and 126,635.33 is: 174,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,160.67 : 285,903.68 = 126,635.33 : x
  2. Step 2: Convert to fraction form
    207,160.67/285,903.68 = 126,635.33/x
  3. Step 3: Cross multiply
    207,160.67x = 285,903.68 × 126,635.33
  4. Step 4: Simplify right side
    207,160.67x = 36,205,504,802.32
  5. Step 5: Solve for x
    x = 36,205,504,802.32/207,160.67
  6. Step 6: Final answer
    x = 174,770.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.