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Finding the Fourth Proportional to 162,817.40, 244,517.70 and 118,494.20

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Solution

The fourth proportional to 162,817.40, 244,517.70 and 118,494.20 is: 177,953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,817.40 : 244,517.70 = 118,494.20 : x
  2. Step 2: Convert to fraction form
    162,817.40/244,517.70 = 118,494.20/x
  3. Step 3: Cross multiply
    162,817.40x = 244,517.70 × 118,494.20
  4. Step 4: Simplify right side
    162,817.40x = 28,973,929,247.34
  5. Step 5: Solve for x
    x = 28,973,929,247.34/162,817.40
  6. Step 6: Final answer
    x = 177,953.52

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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.