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Finding the Fourth Proportional to 223,570.10, 335,370.75 and 73,915.74

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Solution

The fourth proportional to 223,570.10, 335,370.75 and 73,915.74 is: 110,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,570.10 : 335,370.75 = 73,915.74 : x
  2. Step 2: Convert to fraction form
    223,570.10/335,370.75 = 73,915.74/x
  3. Step 3: Cross multiply
    223,570.10x = 335,370.75 × 73,915.74
  4. Step 4: Simplify right side
    223,570.10x = 24,789,177,507.09
  5. Step 5: Solve for x
    x = 24,789,177,507.09/223,570.10
  6. Step 6: Final answer
    x = 110,878.77

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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.