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Finding the Fourth Proportional to 103,058.84, 154,563.38 and 43,054.89

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Solution

The fourth proportional to 103,058.84, 154,563.38 and 43,054.89 is: 64,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,058.84 : 154,563.38 = 43,054.89 : x
  2. Step 2: Convert to fraction form
    103,058.84/154,563.38 = 43,054.89/x
  3. Step 3: Cross multiply
    103,058.84x = 154,563.38 × 43,054.89
  4. Step 4: Simplify right side
    103,058.84x = 6,654,709,499.37
  5. Step 5: Solve for x
    x = 6,654,709,499.37/103,058.84
  6. Step 6: Final answer
    x = 64,571.94

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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.