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Finding the Fourth Proportional to 194,300.31, 291,448.84 and 54,058.53

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Solution

The fourth proportional to 194,300.31, 291,448.84 and 54,058.53 is: 81,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,300.31 : 291,448.84 = 54,058.53 : x
  2. Step 2: Convert to fraction form
    194,300.31/291,448.84 = 54,058.53/x
  3. Step 3: Cross multiply
    194,300.31x = 291,448.84 × 54,058.53
  4. Step 4: Simplify right side
    194,300.31x = 15,755,295,860.61
  5. Step 5: Solve for x
    x = 15,755,295,860.61/194,300.31
  6. Step 6: Final answer
    x = 81,087.34

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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.