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Finding the Fourth Proportional to 164,043.40, 246,065.10 and 39,384.40

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Solution

The fourth proportional to 164,043.40, 246,065.10 and 39,384.40 is: 59,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,043.40 : 246,065.10 = 39,384.40 : x
  2. Step 2: Convert to fraction form
    164,043.40/246,065.10 = 39,384.40/x
  3. Step 3: Cross multiply
    164,043.40x = 246,065.10 × 39,384.40
  4. Step 4: Simplify right side
    164,043.40x = 9,691,126,324.44
  5. Step 5: Solve for x
    x = 9,691,126,324.44/164,043.40
  6. Step 6: Final answer
    x = 59,076.60

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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.