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Finding the Fourth Proportional to 70,858.13, 106,301.77 and 29,305.13

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Solution

The fourth proportional to 70,858.13, 106,301.77 and 29,305.13 is: 43,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858.13 : 106,301.77 = 29,305.13 : x
  2. Step 2: Convert to fraction form
    70,858.13/106,301.77 = 29,305.13/x
  3. Step 3: Cross multiply
    70,858.13x = 106,301.77 × 29,305.13
  4. Step 4: Simplify right side
    70,858.13x = 3,115,186,584.31
  5. Step 5: Solve for x
    x = 3,115,186,584.31/70,858.13
  6. Step 6: Final answer
    x = 43,963.72

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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.