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Finding the Fourth Proportional to 173,040, 238,578.84 and 144,400.92

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Solution

The fourth proportional to 173,040, 238,578.84 and 144,400.92 is: 199,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,040 : 238,578.84 = 144,400.92 : x
  2. Step 2: Convert to fraction form
    173,040/238,578.84 = 144,400.92/x
  3. Step 3: Cross multiply
    173,040x = 238,578.84 × 144,400.92
  4. Step 4: Simplify right side
    173,040x = 34,451,003,988.53
  5. Step 5: Solve for x
    x = 34,451,003,988.53/173,040
  6. Step 6: Final answer
    x = 199,092.72

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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.