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Finding the Fourth Proportional to 247,188.45, 370,782.66 and 114,029.31

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Solution

The fourth proportional to 247,188.45, 370,782.66 and 114,029.31 is: 171,043.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,188.45 : 370,782.66 = 114,029.31 : x
  2. Step 2: Convert to fraction form
    247,188.45/370,782.66 = 114,029.31/x
  3. Step 3: Cross multiply
    247,188.45x = 370,782.66 × 114,029.31
  4. Step 4: Simplify right side
    247,188.45x = 42,280,090,879.76
  5. Step 5: Solve for x
    x = 42,280,090,879.76/247,188.45
  6. Step 6: Final answer
    x = 171,043.96

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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.