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Finding the Fourth Proportional to 162,608.94, 243,913.41 and 107,191.98

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Solution

The fourth proportional to 162,608.94, 243,913.41 and 107,191.98 is: 160,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,608.94 : 243,913.41 = 107,191.98 : x
  2. Step 2: Convert to fraction form
    162,608.94/243,913.41 = 107,191.98/x
  3. Step 3: Cross multiply
    162,608.94x = 243,913.41 × 107,191.98
  4. Step 4: Simplify right side
    162,608.94x = 26,145,561,366.45
  5. Step 5: Solve for x
    x = 26,145,561,366.45/162,608.94
  6. Step 6: Final answer
    x = 160,787.97

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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.