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Finding the Fourth Proportional to 262,812.59, 394,468.12 and 162,669.86

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Solution

The fourth proportional to 262,812.59, 394,468.12 and 162,669.86 is: 244,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,812.59 : 394,468.12 = 162,669.86 : x
  2. Step 2: Convert to fraction form
    262,812.59/394,468.12 = 162,669.86/x
  3. Step 3: Cross multiply
    262,812.59x = 394,468.12 × 162,669.86
  4. Step 4: Simplify right side
    262,812.59x = 64,168,073,854.86
  5. Step 5: Solve for x
    x = 64,168,073,854.86/262,812.59
  6. Step 6: Final answer
    x = 244,159.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.