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Finding the Fourth Proportional to 164,140.21, 246,111.90 and 79,734.16

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Solution

The fourth proportional to 164,140.21, 246,111.90 and 79,734.16 is: 119,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,140.21 : 246,111.90 = 79,734.16 : x
  2. Step 2: Convert to fraction form
    164,140.21/246,111.90 = 79,734.16/x
  3. Step 3: Cross multiply
    164,140.21x = 246,111.90 × 79,734.16
  4. Step 4: Simplify right side
    164,140.21x = 19,623,525,612.50
  5. Step 5: Solve for x
    x = 19,623,525,612.50/164,140.21
  6. Step 6: Final answer
    x = 119,553.43

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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.