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Finding the Fourth Proportional to 164,532.94, 246,749.28 and 85,604.11

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Solution

The fourth proportional to 164,532.94, 246,749.28 and 85,604.11 is: 128,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,532.94 : 246,749.28 = 85,604.11 : x
  2. Step 2: Convert to fraction form
    164,532.94/246,749.28 = 85,604.11/x
  3. Step 3: Cross multiply
    164,532.94x = 246,749.28 × 85,604.11
  4. Step 4: Simplify right side
    164,532.94x = 21,122,751,569.65
  5. Step 5: Solve for x
    x = 21,122,751,569.65/164,532.94
  6. Step 6: Final answer
    x = 128,380.08

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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.