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Finding the Fourth Proportional to 172,608.80, 238,199.91 and 101,002.62

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Solution

The fourth proportional to 172,608.80, 238,199.91 and 101,002.62 is: 139,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,608.80 : 238,199.91 = 101,002.62 : x
  2. Step 2: Convert to fraction form
    172,608.80/238,199.91 = 101,002.62/x
  3. Step 3: Cross multiply
    172,608.80x = 238,199.91 × 101,002.62
  4. Step 4: Simplify right side
    172,608.80x = 24,058,814,993.76
  5. Step 5: Solve for x
    x = 24,058,814,993.76/172,608.80
  6. Step 6: Final answer
    x = 139,383.48

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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.