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Finding the Fourth Proportional to 231,538.33, 347,303.85 and 73,765.72

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Solution

The fourth proportional to 231,538.33, 347,303.85 and 73,765.72 is: 110,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,538.33 : 347,303.85 = 73,765.72 : x
  2. Step 2: Convert to fraction form
    231,538.33/347,303.85 = 73,765.72/x
  3. Step 3: Cross multiply
    231,538.33x = 347,303.85 × 73,765.72
  4. Step 4: Simplify right side
    231,538.33x = 25,619,118,554.02
  5. Step 5: Solve for x
    x = 25,619,118,554.02/231,538.33
  6. Step 6: Final answer
    x = 110,647.42

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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.