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Finding the Fourth Proportional to 133,390.86, 200,071.54 and 33,551.09

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Solution

The fourth proportional to 133,390.86, 200,071.54 and 33,551.09 is: 50,322.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,390.86 : 200,071.54 = 33,551.09 : x
  2. Step 2: Convert to fraction form
    133,390.86/200,071.54 = 33,551.09/x
  3. Step 3: Cross multiply
    133,390.86x = 200,071.54 × 33,551.09
  4. Step 4: Simplify right side
    133,390.86x = 6,712,618,244.98
  5. Step 5: Solve for x
    x = 6,712,618,244.98/133,390.86
  6. Step 6: Final answer
    x = 50,322.93

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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.