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Finding the Fourth Proportional to 67,492.23, 101,220.57 and 20,094.54

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Solution

The fourth proportional to 67,492.23, 101,220.57 and 20,094.54 is: 30,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,492.23 : 101,220.57 = 20,094.54 : x
  2. Step 2: Convert to fraction form
    67,492.23/101,220.57 = 20,094.54/x
  3. Step 3: Cross multiply
    67,492.23x = 101,220.57 × 20,094.54
  4. Step 4: Simplify right side
    67,492.23x = 2,033,980,792.69
  5. Step 5: Solve for x
    x = 2,033,980,792.69/67,492.23
  6. Step 6: Final answer
    x = 30,136.52

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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.