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Finding the Fourth Proportional to 114,253.44, 157,739.04 and 74,578.56

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Solution

The fourth proportional to 114,253.44, 157,739.04 and 74,578.56 is: 102,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,253.44 : 157,739.04 = 74,578.56 : x
  2. Step 2: Convert to fraction form
    114,253.44/157,739.04 = 74,578.56/x
  3. Step 3: Cross multiply
    114,253.44x = 157,739.04 × 74,578.56
  4. Step 4: Simplify right side
    114,253.44x = 11,763,950,458.98
  5. Step 5: Solve for x
    x = 11,763,950,458.98/114,253.44
  6. Step 6: Final answer
    x = 102,963.64

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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.