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Finding the Fourth Proportional to 218,793.63, 301,935.48 and 118,191.63

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Solution

The fourth proportional to 218,793.63, 301,935.48 and 118,191.63 is: 163,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,793.63 : 301,935.48 = 118,191.63 : x
  2. Step 2: Convert to fraction form
    218,793.63/301,935.48 = 118,191.63/x
  3. Step 3: Cross multiply
    218,793.63x = 301,935.48 × 118,191.63
  4. Step 4: Simplify right side
    218,793.63x = 35,686,246,536.03
  5. Step 5: Solve for x
    x = 35,686,246,536.03/218,793.63
  6. Step 6: Final answer
    x = 163,104.60

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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.