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Finding the Fourth Proportional to 268,295.67, 370,093.85 and 167,518.71

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Solution

The fourth proportional to 268,295.67, 370,093.85 and 167,518.71 is: 231,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,295.67 : 370,093.85 = 167,518.71 : x
  2. Step 2: Convert to fraction form
    268,295.67/370,093.85 = 167,518.71/x
  3. Step 3: Cross multiply
    268,295.67x = 370,093.85 × 167,518.71
  4. Step 4: Simplify right side
    268,295.67x = 61,997,643,493.34
  5. Step 5: Solve for x
    x = 61,997,643,493.34/268,295.67
  6. Step 6: Final answer
    x = 231,079.55

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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.