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Finding the Fourth Proportional to 103,522.60, 155,283.90 and 36,994.60

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Solution

The fourth proportional to 103,522.60, 155,283.90 and 36,994.60 is: 55,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,522.60 : 155,283.90 = 36,994.60 : x
  2. Step 2: Convert to fraction form
    103,522.60/155,283.90 = 36,994.60/x
  3. Step 3: Cross multiply
    103,522.60x = 155,283.90 × 36,994.60
  4. Step 4: Simplify right side
    103,522.60x = 5,744,665,766.94
  5. Step 5: Solve for x
    x = 5,744,665,766.94/103,522.60
  6. Step 6: Final answer
    x = 55,491.90

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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.