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Finding the Fourth Proportional to 158,462.55, 237,643.62 and 51,821.87

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Solution

The fourth proportional to 158,462.55, 237,643.62 and 51,821.87 is: 77,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,462.55 : 237,643.62 = 51,821.87 : x
  2. Step 2: Convert to fraction form
    158,462.55/237,643.62 = 51,821.87/x
  3. Step 3: Cross multiply
    158,462.55x = 237,643.62 × 51,821.87
  4. Step 4: Simplify right side
    158,462.55x = 12,315,135,593.75
  5. Step 5: Solve for x
    x = 12,315,135,593.75/158,462.55
  6. Step 6: Final answer
    x = 77,716.38

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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.