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Finding the Fourth Proportional to 94,122.54, 129,863.79 and 55,850.31

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Solution

The fourth proportional to 94,122.54, 129,863.79 and 55,850.31 is: 77,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,122.54 : 129,863.79 = 55,850.31 : x
  2. Step 2: Convert to fraction form
    94,122.54/129,863.79 = 55,850.31/x
  3. Step 3: Cross multiply
    94,122.54x = 129,863.79 × 55,850.31
  4. Step 4: Simplify right side
    94,122.54x = 7,252,932,929.27
  5. Step 5: Solve for x
    x = 7,252,932,929.27/94,122.54
  6. Step 6: Final answer
    x = 77,058.41

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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.