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Finding the Fourth Proportional to 231,532.92, 347,285.94 and 89,350.38

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Solution

The fourth proportional to 231,532.92, 347,285.94 and 89,350.38 is: 134,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,532.92 : 347,285.94 = 89,350.38 : x
  2. Step 2: Convert to fraction form
    231,532.92/347,285.94 = 89,350.38/x
  3. Step 3: Cross multiply
    231,532.92x = 347,285.94 × 89,350.38
  4. Step 4: Simplify right side
    231,532.92x = 31,030,130,707.66
  5. Step 5: Solve for x
    x = 31,030,130,707.66/231,532.92
  6. Step 6: Final answer
    x = 134,020.38

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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.