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Finding the Fourth Proportional to 183,903.20, 253,759.20 and 106,376.48

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Solution

The fourth proportional to 183,903.20, 253,759.20 and 106,376.48 is: 146,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,903.20 : 253,759.20 = 106,376.48 : x
  2. Step 2: Convert to fraction form
    183,903.20/253,759.20 = 106,376.48/x
  3. Step 3: Cross multiply
    183,903.20x = 253,759.20 × 106,376.48
  4. Step 4: Simplify right side
    183,903.20x = 26,994,010,463.62
  5. Step 5: Solve for x
    x = 26,994,010,463.62/183,903.20
  6. Step 6: Final answer
    x = 146,783.80

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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.