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Finding the Fourth Proportional to 133,768.58, 200,673.62 and 45,015.16

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Solution

The fourth proportional to 133,768.58, 200,673.62 and 45,015.16 is: 67,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,768.58 : 200,673.62 = 45,015.16 : x
  2. Step 2: Convert to fraction form
    133,768.58/200,673.62 = 45,015.16/x
  3. Step 3: Cross multiply
    133,768.58x = 200,673.62 × 45,015.16
  4. Step 4: Simplify right side
    133,768.58x = 9,033,354,930.39
  5. Step 5: Solve for x
    x = 9,033,354,930.39/133,768.58
  6. Step 6: Final answer
    x = 67,529.72

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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.