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Finding the Fourth Proportional to 247,239.76, 370,477.98 and 166,963.16

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Solution

The fourth proportional to 247,239.76, 370,477.98 and 166,963.16 is: 250,187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,239.76 : 370,477.98 = 166,963.16 : x
  2. Step 2: Convert to fraction form
    247,239.76/370,477.98 = 166,963.16/x
  3. Step 3: Cross multiply
    247,239.76x = 370,477.98 × 166,963.16
  4. Step 4: Simplify right side
    247,239.76x = 61,856,174,251.22
  5. Step 5: Solve for x
    x = 61,856,174,251.22/247,239.76
  6. Step 6: Final answer
    x = 250,187.00

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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.