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Finding the Fourth Proportional to 188,879.60, 284,010.60 and 158,466.80

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Solution

The fourth proportional to 188,879.60, 284,010.60 and 158,466.80 is: 238,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,879.60 : 284,010.60 = 158,466.80 : x
  2. Step 2: Convert to fraction form
    188,879.60/284,010.60 = 158,466.80/x
  3. Step 3: Cross multiply
    188,879.60x = 284,010.60 × 158,466.80
  4. Step 4: Simplify right side
    188,879.60x = 45,006,250,948.08
  5. Step 5: Solve for x
    x = 45,006,250,948.08/188,879.60
  6. Step 6: Final answer
    x = 238,280.11

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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.