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Finding the Fourth Proportional to 164,094.80, 246,142.20 and 53,286.80

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Solution

The fourth proportional to 164,094.80, 246,142.20 and 53,286.80 is: 79,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,094.80 : 246,142.20 = 53,286.80 : x
  2. Step 2: Convert to fraction form
    164,094.80/246,142.20 = 53,286.80/x
  3. Step 3: Cross multiply
    164,094.80x = 246,142.20 × 53,286.80
  4. Step 4: Simplify right side
    164,094.80x = 13,116,130,182.96
  5. Step 5: Solve for x
    x = 13,116,130,182.96/164,094.80
  6. Step 6: Final answer
    x = 79,930.20

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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.