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Finding the Fourth Proportional to 181,662.48, 250,552.20 and 118,020.78

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Solution

The fourth proportional to 181,662.48, 250,552.20 and 118,020.78 is: 162,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,662.48 : 250,552.20 = 118,020.78 : x
  2. Step 2: Convert to fraction form
    181,662.48/250,552.20 = 118,020.78/x
  3. Step 3: Cross multiply
    181,662.48x = 250,552.20 × 118,020.78
  4. Step 4: Simplify right side
    181,662.48x = 29,570,366,074.72
  5. Step 5: Solve for x
    x = 29,570,366,074.72/181,662.48
  6. Step 6: Final answer
    x = 162,776.41

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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.