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Finding the Fourth Proportional to 241,270.71, 361,908.67 and 72,792.50

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Solution

The fourth proportional to 241,270.71, 361,908.67 and 72,792.50 is: 109,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,270.71 : 361,908.67 = 72,792.50 : x
  2. Step 2: Convert to fraction form
    241,270.71/361,908.67 = 72,792.50/x
  3. Step 3: Cross multiply
    241,270.71x = 361,908.67 × 72,792.50
  4. Step 4: Simplify right side
    241,270.71x = 26,344,234,869.45
  5. Step 5: Solve for x
    x = 26,344,234,869.45/241,270.71
  6. Step 6: Final answer
    x = 109,189.53

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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.