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Finding the Fourth Proportional to 114,339.35, 157,843.16 and 80,376.95

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Solution

The fourth proportional to 114,339.35, 157,843.16 and 80,376.95 is: 110,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,339.35 : 157,843.16 = 80,376.95 : x
  2. Step 2: Convert to fraction form
    114,339.35/157,843.16 = 80,376.95/x
  3. Step 3: Cross multiply
    114,339.35x = 157,843.16 × 80,376.95
  4. Step 4: Simplify right side
    114,339.35x = 12,686,950,588.06
  5. Step 5: Solve for x
    x = 12,686,950,588.06/114,339.35
  6. Step 6: Final answer
    x = 110,958.75

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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.