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Finding the Fourth Proportional to 168,008.39, 251,925.08 and 79,238.06

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Solution

The fourth proportional to 168,008.39, 251,925.08 and 79,238.06 is: 118,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,008.39 : 251,925.08 = 79,238.06 : x
  2. Step 2: Convert to fraction form
    168,008.39/251,925.08 = 79,238.06/x
  3. Step 3: Cross multiply
    168,008.39x = 251,925.08 × 79,238.06
  4. Step 4: Simplify right side
    168,008.39x = 19,962,054,604.54
  5. Step 5: Solve for x
    x = 19,962,054,604.54/168,008.39
  6. Step 6: Final answer
    x = 118,815.82

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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.