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Finding the Fourth Proportional to 172,480.94, 258,754.30 and 60,193.23

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Solution

The fourth proportional to 172,480.94, 258,754.30 and 60,193.23 is: 90,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,480.94 : 258,754.30 = 60,193.23 : x
  2. Step 2: Convert to fraction form
    172,480.94/258,754.30 = 60,193.23/x
  3. Step 3: Cross multiply
    172,480.94x = 258,754.30 × 60,193.23
  4. Step 4: Simplify right side
    172,480.94x = 15,575,255,972.58
  5. Step 5: Solve for x
    x = 15,575,255,972.58/172,480.94
  6. Step 6: Final answer
    x = 90,301.31

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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.