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Finding the Fourth Proportional to 231,240.78, 346,894.24 and 71,330.22

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Solution

The fourth proportional to 231,240.78, 346,894.24 and 71,330.22 is: 107,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,240.78 : 346,894.24 = 71,330.22 : x
  2. Step 2: Convert to fraction form
    231,240.78/346,894.24 = 71,330.22/x
  3. Step 3: Cross multiply
    231,240.78x = 346,894.24 × 71,330.22
  4. Step 4: Simplify right side
    231,240.78x = 24,744,042,455.93
  5. Step 5: Solve for x
    x = 24,744,042,455.93/231,240.78
  6. Step 6: Final answer
    x = 107,005.53

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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.