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Finding the Fourth Proportional to 103,276.60, 154,914.90 and 33,205.12

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Solution

The fourth proportional to 103,276.60, 154,914.90 and 33,205.12 is: 49,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,276.60 : 154,914.90 = 33,205.12 : x
  2. Step 2: Convert to fraction form
    103,276.60/154,914.90 = 33,205.12/x
  3. Step 3: Cross multiply
    103,276.60x = 154,914.90 × 33,205.12
  4. Step 4: Simplify right side
    103,276.60x = 5,143,967,457.00
  5. Step 5: Solve for x
    x = 5,143,967,457.00/103,276.60
  6. Step 6: Final answer
    x = 49,807.68

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Similar ratio
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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.