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Finding the Fourth Proportional to 218,735.44, 301,854.90 and 118,133.44

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Solution

The fourth proportional to 218,735.44, 301,854.90 and 118,133.44 is: 163,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,735.44 : 301,854.90 = 118,133.44 : x
  2. Step 2: Convert to fraction form
    218,735.44/301,854.90 = 118,133.44/x
  3. Step 3: Cross multiply
    218,735.44x = 301,854.90 × 118,133.44
  4. Step 4: Simplify right side
    218,735.44x = 35,659,157,406.22
  5. Step 5: Solve for x
    x = 35,659,157,406.22/218,735.44
  6. Step 6: Final answer
    x = 163,024.14

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1.5x scale

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.