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Finding the Fourth Proportional to 218,360.54, 301,342.14 and 122,867.24

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Solution

The fourth proportional to 218,360.54, 301,342.14 and 122,867.24 is: 169,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,360.54 : 301,342.14 = 122,867.24 : x
  2. Step 2: Convert to fraction form
    218,360.54/301,342.14 = 122,867.24/x
  3. Step 3: Cross multiply
    218,360.54x = 301,342.14 × 122,867.24
  4. Step 4: Simplify right side
    218,360.54x = 37,025,075,530.78
  5. Step 5: Solve for x
    x = 37,025,075,530.78/218,360.54
  6. Step 6: Final answer
    x = 169,559.37

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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.