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Finding the Fourth Proportional to 64,114.80, 96,171.30 and 29,054.40

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Solution

The fourth proportional to 64,114.80, 96,171.30 and 29,054.40 is: 43,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,114.80 : 96,171.30 = 29,054.40 : x
  2. Step 2: Convert to fraction form
    64,114.80/96,171.30 = 29,054.40/x
  3. Step 3: Cross multiply
    64,114.80x = 96,171.30 × 29,054.40
  4. Step 4: Simplify right side
    64,114.80x = 2,794,199,418.72
  5. Step 5: Solve for x
    x = 2,794,199,418.72/64,114.80
  6. Step 6: Final answer
    x = 43,581.19

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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.