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Finding the Fourth Proportional to 177,662.73, 245,175.21 and 97,091.49

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Solution

The fourth proportional to 177,662.73, 245,175.21 and 97,091.49 is: 133,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,662.73 : 245,175.21 = 97,091.49 : x
  2. Step 2: Convert to fraction form
    177,662.73/245,175.21 = 97,091.49/x
  3. Step 3: Cross multiply
    177,662.73x = 245,175.21 × 97,091.49
  4. Step 4: Simplify right side
    177,662.73x = 23,804,426,449.96
  5. Step 5: Solve for x
    x = 23,804,426,449.96/177,662.73
  6. Step 6: Final answer
    x = 133,986.61

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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.