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Finding the Fourth Proportional to 268,166.99, 370,072.83 and 147,310.73

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Solution

The fourth proportional to 268,166.99, 370,072.83 and 147,310.73 is: 203,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,166.99 : 370,072.83 = 147,310.73 : x
  2. Step 2: Convert to fraction form
    268,166.99/370,072.83 = 147,310.73/x
  3. Step 3: Cross multiply
    268,166.99x = 370,072.83 × 147,310.73
  4. Step 4: Simplify right side
    268,166.99x = 54,515,698,740.47
  5. Step 5: Solve for x
    x = 54,515,698,740.47/268,166.99
  6. Step 6: Final answer
    x = 203,290.12

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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.