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Finding the Fourth Proportional to 70,863.49, 106,308.32 and 29,313.73

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Solution

The fourth proportional to 70,863.49, 106,308.32 and 29,313.73 is: 43,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,863.49 : 106,308.32 = 29,313.73 : x
  2. Step 2: Convert to fraction form
    70,863.49/106,308.32 = 29,313.73/x
  3. Step 3: Cross multiply
    70,863.49x = 106,308.32 × 29,313.73
  4. Step 4: Simplify right side
    70,863.49x = 3,116,293,389.23
  5. Step 5: Solve for x
    x = 3,116,293,389.23/70,863.49
  6. Step 6: Final answer
    x = 43,976.01

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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.