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Finding the Fourth Proportional to 162,662.95, 243,639.07 and 67,604.93

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Solution

The fourth proportional to 162,662.95, 243,639.07 and 67,604.93 is: 101,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,662.95 : 243,639.07 = 67,604.93 : x
  2. Step 2: Convert to fraction form
    162,662.95/243,639.07 = 67,604.93/x
  3. Step 3: Cross multiply
    162,662.95x = 243,639.07 × 67,604.93
  4. Step 4: Simplify right side
    162,662.95x = 16,471,202,272.62
  5. Step 5: Solve for x
    x = 16,471,202,272.62/162,662.95
  6. Step 6: Final answer
    x = 101,259.70

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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.