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Finding the Fourth Proportional to 114,625.70, 171,938.55 and 79,633.70

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Solution

The fourth proportional to 114,625.70, 171,938.55 and 79,633.70 is: 119,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,625.70 : 171,938.55 = 79,633.70 : x
  2. Step 2: Convert to fraction form
    114,625.70/171,938.55 = 79,633.70/x
  3. Step 3: Cross multiply
    114,625.70x = 171,938.55 × 79,633.70
  4. Step 4: Simplify right side
    114,625.70x = 13,692,102,909.14
  5. Step 5: Solve for x
    x = 13,692,102,909.14/114,625.70
  6. Step 6: Final answer
    x = 119,450.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.