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Finding the Fourth Proportional to 133,081.40, 199,622.10 and 133,081.40

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Solution

The fourth proportional to 133,081.40, 199,622.10 and 133,081.40 is: 199,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,081.40 : 199,622.10 = 133,081.40 : x
  2. Step 2: Convert to fraction form
    133,081.40/199,622.10 = 133,081.40/x
  3. Step 3: Cross multiply
    133,081.40x = 199,622.10 × 133,081.40
  4. Step 4: Simplify right side
    133,081.40x = 26,565,988,538.94
  5. Step 5: Solve for x
    x = 26,565,988,538.94/133,081.40
  6. Step 6: Final answer
    x = 199,622.10

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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.