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Finding the Fourth Proportional to 133,068.45, 199,620.90 and 44,312.70

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Solution

The fourth proportional to 133,068.45, 199,620.90 and 44,312.70 is: 66,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,068.45 : 199,620.90 = 44,312.70 : x
  2. Step 2: Convert to fraction form
    133,068.45/199,620.90 = 44,312.70/x
  3. Step 3: Cross multiply
    133,068.45x = 199,620.90 × 44,312.70
  4. Step 4: Simplify right side
    133,068.45x = 8,845,741,055.43
  5. Step 5: Solve for x
    x = 8,845,741,055.43/133,068.45
  6. Step 6: Final answer
    x = 66,475.12

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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.