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Finding the Fourth Proportional to 103,850.60, 155,814.30 and 100,010.60

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Solution

The fourth proportional to 103,850.60, 155,814.30 and 100,010.60 is: 150,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,850.60 : 155,814.30 = 100,010.60 : x
  2. Step 2: Convert to fraction form
    103,850.60/155,814.30 = 100,010.60/x
  3. Step 3: Cross multiply
    103,850.60x = 155,814.30 × 100,010.60
  4. Step 4: Simplify right side
    103,850.60x = 15,583,081,631.58
  5. Step 5: Solve for x
    x = 15,583,081,631.58/103,850.60
  6. Step 6: Final answer
    x = 150,052.88

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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.