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Finding the Fourth Proportional to 268,705.68, 370,865.16 and 177,901.44

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Solution

The fourth proportional to 268,705.68, 370,865.16 and 177,901.44 is: 245,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,705.68 : 370,865.16 = 177,901.44 : x
  2. Step 2: Convert to fraction form
    268,705.68/370,865.16 = 177,901.44/x
  3. Step 3: Cross multiply
    268,705.68x = 370,865.16 × 177,901.44
  4. Step 4: Simplify right side
    268,705.68x = 65,977,446,009.83
  5. Step 5: Solve for x
    x = 65,977,446,009.83/268,705.68
  6. Step 6: Final answer
    x = 245,537.97

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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.