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Finding the Fourth Proportional to 164,571.08, 246,856.62 and 39,911

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Solution

The fourth proportional to 164,571.08, 246,856.62 and 39,911 is: 59,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,571.08 : 246,856.62 = 39,911 : x
  2. Step 2: Convert to fraction form
    164,571.08/246,856.62 = 39,911/x
  3. Step 3: Cross multiply
    164,571.08x = 246,856.62 × 39,911
  4. Step 4: Simplify right side
    164,571.08x = 9,852,294,560.82
  5. Step 5: Solve for x
    x = 9,852,294,560.82/164,571.08
  6. Step 6: Final answer
    x = 59,866.50

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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.