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Finding the Fourth Proportional to 164,874, 247,144.83 and 64,995.54

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Solution

The fourth proportional to 164,874, 247,144.83 and 64,995.54 is: 97,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,874 : 247,144.83 = 64,995.54 : x
  2. Step 2: Convert to fraction form
    164,874/247,144.83 = 64,995.54/x
  3. Step 3: Cross multiply
    164,874x = 247,144.83 × 64,995.54
  4. Step 4: Simplify right side
    164,874x = 16,063,311,684.06
  5. Step 5: Solve for x
    x = 16,063,311,684.06/164,874
  6. Step 6: Final answer
    x = 97,427.80

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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.