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Finding the Fourth Proportional to 71,270.76, 98,321.76 and 41,048.16

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Solution

The fourth proportional to 71,270.76, 98,321.76 and 41,048.16 is: 56,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,270.76 : 98,321.76 = 41,048.16 : x
  2. Step 2: Convert to fraction form
    71,270.76/98,321.76 = 41,048.16/x
  3. Step 3: Cross multiply
    71,270.76x = 98,321.76 × 41,048.16
  4. Step 4: Simplify right side
    71,270.76x = 4,035,927,335.96
  5. Step 5: Solve for x
    x = 4,035,927,335.96/71,270.76
  6. Step 6: Final answer
    x = 56,628.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.