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Finding the Fourth Proportional to 162,311.80, 243,540.60 and 73,519.60

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Solution

The fourth proportional to 162,311.80, 243,540.60 and 73,519.60 is: 110,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,311.80 : 243,540.60 = 73,519.60 : x
  2. Step 2: Convert to fraction form
    162,311.80/243,540.60 = 73,519.60/x
  3. Step 3: Cross multiply
    162,311.80x = 243,540.60 × 73,519.60
  4. Step 4: Simplify right side
    162,311.80x = 17,905,007,495.76
  5. Step 5: Solve for x
    x = 17,905,007,495.76/162,311.80
  6. Step 6: Final answer
    x = 110,312.42

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1.5x scale

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.