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Finding the Fourth Proportional to 231,559.83, 347,339.75 and 65,347.83

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Solution

The fourth proportional to 231,559.83, 347,339.75 and 65,347.83 is: 98,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,559.83 : 347,339.75 = 65,347.83 : x
  2. Step 2: Convert to fraction form
    231,559.83/347,339.75 = 65,347.83/x
  3. Step 3: Cross multiply
    231,559.83x = 347,339.75 × 65,347.83
  4. Step 4: Simplify right side
    231,559.83x = 22,697,898,608.50
  5. Step 5: Solve for x
    x = 22,697,898,608.50/231,559.83
  6. Step 6: Final answer
    x = 98,021.75

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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.