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Finding the Fourth Proportional to 219,978.06, 303,568.20 and 119,376.06

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Solution

The fourth proportional to 219,978.06, 303,568.20 and 119,376.06 is: 164,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,978.06 : 303,568.20 = 119,376.06 : x
  2. Step 2: Convert to fraction form
    219,978.06/303,568.20 = 119,376.06/x
  3. Step 3: Cross multiply
    219,978.06x = 303,568.20 × 119,376.06
  4. Step 4: Simplify right side
    219,978.06x = 36,238,775,657.29
  5. Step 5: Solve for x
    x = 36,238,775,657.29/219,978.06
  6. Step 6: Final answer
    x = 164,738.14

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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.