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Finding the Fourth Proportional to 53,136.58, 73,325.54 and 29,258.58

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Solution

The fourth proportional to 53,136.58, 73,325.54 and 29,258.58 is: 40,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,136.58 : 73,325.54 = 29,258.58 : x
  2. Step 2: Convert to fraction form
    53,136.58/73,325.54 = 29,258.58/x
  3. Step 3: Cross multiply
    53,136.58x = 73,325.54 × 29,258.58
  4. Step 4: Simplify right side
    53,136.58x = 2,145,401,178.13
  5. Step 5: Solve for x
    x = 2,145,401,178.13/53,136.58
  6. Step 6: Final answer
    x = 40,375.22

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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.