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Finding the Fourth Proportional to 53,181.82, 73,389.81 and 29,307.88

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Solution

The fourth proportional to 53,181.82, 73,389.81 and 29,307.88 is: 40,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.82 : 73,389.81 = 29,307.88 : x
  2. Step 2: Convert to fraction form
    53,181.82/73,389.81 = 29,307.88/x
  3. Step 3: Cross multiply
    53,181.82x = 73,389.81 × 29,307.88
  4. Step 4: Simplify right side
    53,181.82x = 2,150,899,744.70
  5. Step 5: Solve for x
    x = 2,150,899,744.70/53,181.82
  6. Step 6: Final answer
    x = 40,444.27

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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.