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Finding the Fourth Proportional to 70,233.27, 105,248.85 and 30,241.27

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Solution

The fourth proportional to 70,233.27, 105,248.85 and 30,241.27 is: 45,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,233.27 : 105,248.85 = 30,241.27 : x
  2. Step 2: Convert to fraction form
    70,233.27/105,248.85 = 30,241.27/x
  3. Step 3: Cross multiply
    70,233.27x = 105,248.85 × 30,241.27
  4. Step 4: Simplify right side
    70,233.27x = 3,182,858,890.04
  5. Step 5: Solve for x
    x = 3,182,858,890.04/70,233.27
  6. Step 6: Final answer
    x = 45,318.39

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1.5x scale

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.