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Finding the Fourth Proportional to 218,616.56, 301,686.79 and 119,162.02

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Solution

The fourth proportional to 218,616.56, 301,686.79 and 119,162.02 is: 164,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,616.56 : 301,686.79 = 119,162.02 : x
  2. Step 2: Convert to fraction form
    218,616.56/301,686.79 = 119,162.02/x
  3. Step 3: Cross multiply
    218,616.56x = 301,686.79 × 119,162.02
  4. Step 4: Simplify right side
    218,616.56x = 35,949,607,303.72
  5. Step 5: Solve for x
    x = 35,949,607,303.72/218,616.56
  6. Step 6: Final answer
    x = 164,441.37

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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.