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Finding the Fourth Proportional to 114,570.40, 171,786.55 and 51,379.11

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Solution

The fourth proportional to 114,570.40, 171,786.55 and 51,379.11 is: 77,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,570.40 : 171,786.55 = 51,379.11 : x
  2. Step 2: Convert to fraction form
    114,570.40/171,786.55 = 51,379.11/x
  3. Step 3: Cross multiply
    114,570.40x = 171,786.55 × 51,379.11
  4. Step 4: Simplify right side
    114,570.40x = 8,826,240,048.97
  5. Step 5: Solve for x
    x = 8,826,240,048.97/114,570.40
  6. Step 6: Final answer
    x = 77,037.70

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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.