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Finding the Fourth Proportional to 172,173.33, 258,264.62 and 53,844.68

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Solution

The fourth proportional to 172,173.33, 258,264.62 and 53,844.68 is: 80,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,173.33 : 258,264.62 = 53,844.68 : x
  2. Step 2: Convert to fraction form
    172,173.33/258,264.62 = 53,844.68/x
  3. Step 3: Cross multiply
    172,173.33x = 258,264.62 × 53,844.68
  4. Step 4: Simplify right side
    172,173.33x = 13,906,174,258.68
  5. Step 5: Solve for x
    x = 13,906,174,258.68/172,173.33
  6. Step 6: Final answer
    x = 80,768.46

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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.