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Finding the Fourth Proportional to 260,956.95, 360,296 and 162,989.47

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Solution

The fourth proportional to 260,956.95, 360,296 and 162,989.47 is: 225,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,956.95 : 360,296 = 162,989.47 : x
  2. Step 2: Convert to fraction form
    260,956.95/360,296 = 162,989.47/x
  3. Step 3: Cross multiply
    260,956.95x = 360,296 × 162,989.47
  4. Step 4: Simplify right side
    260,956.95x = 58,724,454,083.12
  5. Step 5: Solve for x
    x = 58,724,454,083.12/260,956.95
  6. Step 6: Final answer
    x = 225,035.03

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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.