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Finding the Fourth Proportional to 164,716.74, 246,905.42 and 64,836.45

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Solution

The fourth proportional to 164,716.74, 246,905.42 and 64,836.45 is: 97,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,716.74 : 246,905.42 = 64,836.45 : x
  2. Step 2: Convert to fraction form
    164,716.74/246,905.42 = 64,836.45/x
  3. Step 3: Cross multiply
    164,716.74x = 246,905.42 × 64,836.45
  4. Step 4: Simplify right side
    164,716.74x = 16,008,470,594.38
  5. Step 5: Solve for x
    x = 16,008,470,594.38/164,716.74
  6. Step 6: Final answer
    x = 97,187.88

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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.