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Finding the Fourth Proportional to 235,793.34, 325,344.36 and 140,281.38

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Solution

The fourth proportional to 235,793.34, 325,344.36 and 140,281.38 is: 193,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,793.34 : 325,344.36 = 140,281.38 : x
  2. Step 2: Convert to fraction form
    235,793.34/325,344.36 = 140,281.38/x
  3. Step 3: Cross multiply
    235,793.34x = 325,344.36 × 140,281.38
  4. Step 4: Simplify right side
    235,793.34x = 45,639,755,796.02
  5. Step 5: Solve for x
    x = 45,639,755,796.02/235,793.34
  6. Step 6: Final answer
    x = 193,558.29

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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.