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Finding the Fourth Proportional to 114,054.82, 157,392.57 and 63,763.54

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Solution

The fourth proportional to 114,054.82, 157,392.57 and 63,763.54 is: 87,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,054.82 : 157,392.57 = 63,763.54 : x
  2. Step 2: Convert to fraction form
    114,054.82/157,392.57 = 63,763.54/x
  3. Step 3: Cross multiply
    114,054.82x = 157,392.57 × 63,763.54
  4. Step 4: Simplify right side
    114,054.82x = 10,035,907,432.90
  5. Step 5: Solve for x
    x = 10,035,907,432.90/114,054.82
  6. Step 6: Final answer
    x = 87,991.96

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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.