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Finding the Fourth Proportional to 97,058.55, 133,940.74 and 54,617.12

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Solution

The fourth proportional to 97,058.55, 133,940.74 and 54,617.12 is: 75,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,058.55 : 133,940.74 = 54,617.12 : x
  2. Step 2: Convert to fraction form
    97,058.55/133,940.74 = 54,617.12/x
  3. Step 3: Cross multiply
    97,058.55x = 133,940.74 × 54,617.12
  4. Step 4: Simplify right side
    97,058.55x = 7,315,457,469.47
  5. Step 5: Solve for x
    x = 7,315,457,469.47/97,058.55
  6. Step 6: Final answer
    x = 75,371.59

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1.5x scale

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.