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Finding the Fourth Proportional to 231,294.89, 346,938.69 and 73,521.07

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Solution

The fourth proportional to 231,294.89, 346,938.69 and 73,521.07 is: 110,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,294.89 : 346,938.69 = 73,521.07 : x
  2. Step 2: Convert to fraction form
    231,294.89/346,938.69 = 73,521.07/x
  3. Step 3: Cross multiply
    231,294.89x = 346,938.69 × 73,521.07
  4. Step 4: Simplify right side
    231,294.89x = 25,507,303,121.56
  5. Step 5: Solve for x
    x = 25,507,303,121.56/231,294.89
  6. Step 6: Final answer
    x = 110,280.44

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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.