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Finding the Fourth Proportional to 162,688.40, 244,136.28 and 69,194

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Solution

The fourth proportional to 162,688.40, 244,136.28 and 69,194 is: 103,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,688.40 : 244,136.28 = 69,194 : x
  2. Step 2: Convert to fraction form
    162,688.40/244,136.28 = 69,194/x
  3. Step 3: Cross multiply
    162,688.40x = 244,136.28 × 69,194
  4. Step 4: Simplify right side
    162,688.40x = 16,892,765,758.32
  5. Step 5: Solve for x
    x = 16,892,765,758.32/162,688.40
  6. Step 6: Final answer
    x = 103,835.10

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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.