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Finding the Fourth Proportional to 66,792.42, 100,225.50 and 37,226.90

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Solution

The fourth proportional to 66,792.42, 100,225.50 and 37,226.90 is: 55,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,792.42 : 100,225.50 = 37,226.90 : x
  2. Step 2: Convert to fraction form
    66,792.42/100,225.50 = 37,226.90/x
  3. Step 3: Cross multiply
    66,792.42x = 100,225.50 × 37,226.90
  4. Step 4: Simplify right side
    66,792.42x = 3,731,084,665.95
  5. Step 5: Solve for x
    x = 3,731,084,665.95/66,792.42
  6. Step 6: Final answer
    x = 55,860.90

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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.