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Finding the Fourth Proportional to 231,548.58, 347,319.09 and 73,774.89

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Solution

The fourth proportional to 231,548.58, 347,319.09 and 73,774.89 is: 110,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,548.58 : 347,319.09 = 73,774.89 : x
  2. Step 2: Convert to fraction form
    231,548.58/347,319.09 = 73,774.89/x
  3. Step 3: Cross multiply
    231,548.58x = 347,319.09 × 73,774.89
  4. Step 4: Simplify right side
    231,548.58x = 25,623,427,659.65
  5. Step 5: Solve for x
    x = 25,623,427,659.65/231,548.58
  6. Step 6: Final answer
    x = 110,661.13

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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.