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Finding the Fourth Proportional to 219,657.66, 303,127.83 and 119,055.66

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Solution

The fourth proportional to 219,657.66, 303,127.83 and 119,055.66 is: 164,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,657.66 : 303,127.83 = 119,055.66 : x
  2. Step 2: Convert to fraction form
    219,657.66/303,127.83 = 119,055.66/x
  3. Step 3: Cross multiply
    219,657.66x = 303,127.83 × 119,055.66
  4. Step 4: Simplify right side
    219,657.66x = 36,089,083,865.02
  5. Step 5: Solve for x
    x = 36,089,083,865.02/219,657.66
  6. Step 6: Final answer
    x = 164,296.95

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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.