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Finding the Fourth Proportional to 168,830.50, 232,993.41 and 93,379.06

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Solution

The fourth proportional to 168,830.50, 232,993.41 and 93,379.06 is: 128,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,830.50 : 232,993.41 = 93,379.06 : x
  2. Step 2: Convert to fraction form
    168,830.50/232,993.41 = 93,379.06/x
  3. Step 3: Cross multiply
    168,830.50x = 232,993.41 × 93,379.06
  4. Step 4: Simplify right side
    168,830.50x = 21,756,705,611.99
  5. Step 5: Solve for x
    x = 21,756,705,611.99/168,830.50
  6. Step 6: Final answer
    x = 128,867.15

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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.