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Finding the Fourth Proportional to 164,441.40, 246,619.29 and 69,622.79

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Solution

The fourth proportional to 164,441.40, 246,619.29 and 69,622.79 is: 104,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,441.40 : 246,619.29 = 69,622.79 : x
  2. Step 2: Convert to fraction form
    164,441.40/246,619.29 = 69,622.79/x
  3. Step 3: Cross multiply
    164,441.40x = 246,619.29 × 69,622.79
  4. Step 4: Simplify right side
    164,441.40x = 17,170,321,804.52
  5. Step 5: Solve for x
    x = 17,170,321,804.52/164,441.40
  6. Step 6: Final answer
    x = 104,416.05

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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.