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Finding the Fourth Proportional to 247,190.16, 370,840.92 and 87,277.44

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Solution

The fourth proportional to 247,190.16, 370,840.92 and 87,277.44 is: 130,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,190.16 : 370,840.92 = 87,277.44 : x
  2. Step 2: Convert to fraction form
    247,190.16/370,840.92 = 87,277.44/x
  3. Step 3: Cross multiply
    247,190.16x = 370,840.92 × 87,277.44
  4. Step 4: Simplify right side
    247,190.16x = 32,366,046,144.84
  5. Step 5: Solve for x
    x = 32,366,046,144.84/247,190.16
  6. Step 6: Final answer
    x = 130,935.82

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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.