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Finding the Fourth Proportional to 162,917.80, 244,376.70 and 74,344.30

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Solution

The fourth proportional to 162,917.80, 244,376.70 and 74,344.30 is: 111,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,917.80 : 244,376.70 = 74,344.30 : x
  2. Step 2: Convert to fraction form
    162,917.80/244,376.70 = 74,344.30/x
  3. Step 3: Cross multiply
    162,917.80x = 244,376.70 × 74,344.30
  4. Step 4: Simplify right side
    162,917.80x = 18,168,014,697.81
  5. Step 5: Solve for x
    x = 18,168,014,697.81/162,917.80
  6. Step 6: Final answer
    x = 111,516.45

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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.