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Finding the Fourth Proportional to 250,703.55, 376,081.68 and 73,211.06

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Solution

The fourth proportional to 250,703.55, 376,081.68 and 73,211.06 is: 109,824.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,703.55 : 376,081.68 = 73,211.06 : x
  2. Step 2: Convert to fraction form
    250,703.55/376,081.68 = 73,211.06/x
  3. Step 3: Cross multiply
    250,703.55x = 376,081.68 × 73,211.06
  4. Step 4: Simplify right side
    250,703.55x = 27,533,336,558.97
  5. Step 5: Solve for x
    x = 27,533,336,558.97/250,703.55
  6. Step 6: Final answer
    x = 109,824.28

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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.