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Finding the Fourth Proportional to 268,745.81, 370,878.01 and 147,895.83

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Solution

The fourth proportional to 268,745.81, 370,878.01 and 147,895.83 is: 204,101.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,745.81 : 370,878.01 = 147,895.83 : x
  2. Step 2: Convert to fraction form
    268,745.81/370,878.01 = 147,895.83/x
  3. Step 3: Cross multiply
    268,745.81x = 370,878.01 × 147,895.83
  4. Step 4: Simplify right side
    268,745.81x = 54,851,310,747.96
  5. Step 5: Solve for x
    x = 54,851,310,747.96/268,745.81
  6. Step 6: Final answer
    x = 204,101.09

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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.