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Finding the Fourth Proportional to 245,531.70, 368,297.55 and 166,799.70

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Solution

The fourth proportional to 245,531.70, 368,297.55 and 166,799.70 is: 250,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,531.70 : 368,297.55 = 166,799.70 : x
  2. Step 2: Convert to fraction form
    245,531.70/368,297.55 = 166,799.70/x
  3. Step 3: Cross multiply
    245,531.70x = 368,297.55 × 166,799.70
  4. Step 4: Simplify right side
    245,531.70x = 61,431,920,850.74
  5. Step 5: Solve for x
    x = 61,431,920,850.74/245,531.70
  6. Step 6: Final answer
    x = 250,199.55

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Similar ratio
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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.