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Finding the Fourth Proportional to 147,843.91, 204,024.67 and 79,860.88

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Solution

The fourth proportional to 147,843.91, 204,024.67 and 79,860.88 is: 110,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,843.91 : 204,024.67 = 79,860.88 : x
  2. Step 2: Convert to fraction form
    147,843.91/204,024.67 = 79,860.88/x
  3. Step 3: Cross multiply
    147,843.91x = 204,024.67 × 79,860.88
  4. Step 4: Simplify right side
    147,843.91x = 16,293,590,192.51
  5. Step 5: Solve for x
    x = 16,293,590,192.51/147,843.91
  6. Step 6: Final answer
    x = 110,208.06

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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.