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Finding the Fourth Proportional to 218,756.44, 301,884.09 and 118,154.44

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Solution

The fourth proportional to 218,756.44, 301,884.09 and 118,154.44 is: 163,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,756.44 : 301,884.09 = 118,154.44 : x
  2. Step 2: Convert to fraction form
    218,756.44/301,884.09 = 118,154.44/x
  3. Step 3: Cross multiply
    218,756.44x = 301,884.09 × 118,154.44
  4. Step 4: Simplify right side
    218,756.44x = 35,668,944,844.15
  5. Step 5: Solve for x
    x = 35,668,944,844.15/218,756.44
  6. Step 6: Final answer
    x = 163,053.24

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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.