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Finding the Fourth Proportional to 223,793.04, 308,730.09 and 133,098.12

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Solution

The fourth proportional to 223,793.04, 308,730.09 and 133,098.12 is: 183,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,793.04 : 308,730.09 = 133,098.12 : x
  2. Step 2: Convert to fraction form
    223,793.04/308,730.09 = 133,098.12/x
  3. Step 3: Cross multiply
    223,793.04x = 308,730.09 × 133,098.12
  4. Step 4: Simplify right side
    223,793.04x = 41,091,394,566.43
  5. Step 5: Solve for x
    x = 41,091,394,566.43/223,793.04
  6. Step 6: Final answer
    x = 183,613.37

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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.