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Finding the Fourth Proportional to 245,937.58, 339,410.37 and 137,058.82

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Solution

The fourth proportional to 245,937.58, 339,410.37 and 137,058.82 is: 189,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,937.58 : 339,410.37 = 137,058.82 : x
  2. Step 2: Convert to fraction form
    245,937.58/339,410.37 = 137,058.82/x
  3. Step 3: Cross multiply
    245,937.58x = 339,410.37 × 137,058.82
  4. Step 4: Simplify right side
    245,937.58x = 46,519,184,807.96
  5. Step 5: Solve for x
    x = 46,519,184,807.96/245,937.58
  6. Step 6: Final answer
    x = 189,150.37

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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.