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Finding the Fourth Proportional to 114,585.70, 171,878.55 and 79,593.70

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Solution

The fourth proportional to 114,585.70, 171,878.55 and 79,593.70 is: 119,390.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,585.70 : 171,878.55 = 79,593.70 : x
  2. Step 2: Convert to fraction form
    114,585.70/171,878.55 = 79,593.70/x
  3. Step 3: Cross multiply
    114,585.70x = 171,878.55 × 79,593.70
  4. Step 4: Simplify right side
    114,585.70x = 13,680,449,745.14
  5. Step 5: Solve for x
    x = 13,680,449,745.14/114,585.70
  6. Step 6: Final answer
    x = 119,390.55

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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.