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Finding the Fourth Proportional to 163,684.37, 245,525.87 and 45,355.37

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Solution

The fourth proportional to 163,684.37, 245,525.87 and 45,355.37 is: 68,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,684.37 : 245,525.87 = 45,355.37 : x
  2. Step 2: Convert to fraction form
    163,684.37/245,525.87 = 45,355.37/x
  3. Step 3: Cross multiply
    163,684.37x = 245,525.87 × 45,355.37
  4. Step 4: Simplify right side
    163,684.37x = 11,135,915,564.18
  5. Step 5: Solve for x
    x = 11,135,915,564.18/163,684.37
  6. Step 6: Final answer
    x = 68,032.86

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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.