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Finding the Fourth Proportional to 241,009.40, 361,512.28 and 72,529

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Solution

The fourth proportional to 241,009.40, 361,512.28 and 72,529 is: 108,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,009.40 : 361,512.28 = 72,529 : x
  2. Step 2: Convert to fraction form
    241,009.40/361,512.28 = 72,529/x
  3. Step 3: Cross multiply
    241,009.40x = 361,512.28 × 72,529
  4. Step 4: Simplify right side
    241,009.40x = 26,220,124,156.12
  5. Step 5: Solve for x
    x = 26,220,124,156.12/241,009.40
  6. Step 6: Final answer
    x = 108,792.95

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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.