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Finding the Fourth Proportional to 241,010.40, 361,513.78 and 72,530

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Solution

The fourth proportional to 241,010.40, 361,513.78 and 72,530 is: 108,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,010.40 : 361,513.78 = 72,530 : x
  2. Step 2: Convert to fraction form
    241,010.40/361,513.78 = 72,530/x
  3. Step 3: Cross multiply
    241,010.40x = 361,513.78 × 72,530
  4. Step 4: Simplify right side
    241,010.40x = 26,220,594,463.40
  5. Step 5: Solve for x
    x = 26,220,594,463.40/241,010.40
  6. Step 6: Final answer
    x = 108,794.45

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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.