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Finding the Fourth Proportional to 325,872.84, 488,840.69 and 101,172.94

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Solution

The fourth proportional to 325,872.84, 488,840.69 and 101,172.94 is: 151,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,872.84 : 488,840.69 = 101,172.94 : x
  2. Step 2: Convert to fraction form
    325,872.84/488,840.69 = 101,172.94/x
  3. Step 3: Cross multiply
    325,872.84x = 488,840.69 × 101,172.94
  4. Step 4: Simplify right side
    325,872.84x = 49,457,449,798.93
  5. Step 5: Solve for x
    x = 49,457,449,798.93/325,872.84
  6. Step 6: Final answer
    x = 151,769.17

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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.