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Finding the Fourth Proportional to 223,564.28, 335,247.98 and 118,358.64

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Solution

The fourth proportional to 223,564.28, 335,247.98 and 118,358.64 is: 177,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,564.28 : 335,247.98 = 118,358.64 : x
  2. Step 2: Convert to fraction form
    223,564.28/335,247.98 = 118,358.64/x
  3. Step 3: Cross multiply
    223,564.28x = 335,247.98 × 118,358.64
  4. Step 4: Simplify right side
    223,564.28x = 39,679,494,975.55
  5. Step 5: Solve for x
    x = 39,679,494,975.55/223,564.28
  6. Step 6: Final answer
    x = 177,485.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.