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Finding the Fourth Proportional to 231,662.70, 347,526.45 and 98,541.90

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Solution

The fourth proportional to 231,662.70, 347,526.45 and 98,541.90 is: 147,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,662.70 : 347,526.45 = 98,541.90 : x
  2. Step 2: Convert to fraction form
    231,662.70/347,526.45 = 98,541.90/x
  3. Step 3: Cross multiply
    231,662.70x = 347,526.45 × 98,541.90
  4. Step 4: Simplify right side
    231,662.70x = 34,245,916,683.26
  5. Step 5: Solve for x
    x = 34,245,916,683.26/231,662.70
  6. Step 6: Final answer
    x = 147,826.63

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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.