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Finding the Fourth Proportional to 190,937, 263,493.08 and 106,061.96

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Solution

The fourth proportional to 190,937, 263,493.08 and 106,061.96 is: 146,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,937 : 263,493.08 = 106,061.96 : x
  2. Step 2: Convert to fraction form
    190,937/263,493.08 = 106,061.96/x
  3. Step 3: Cross multiply
    190,937x = 263,493.08 × 106,061.96
  4. Step 4: Simplify right side
    190,937x = 27,946,592,511.24
  5. Step 5: Solve for x
    x = 27,946,592,511.24/190,937
  6. Step 6: Final answer
    x = 146,365.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.