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Finding the Fourth Proportional to 181,808.40, 272,712.60 and 110,949.60

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Solution

The fourth proportional to 181,808.40, 272,712.60 and 110,949.60 is: 166,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,808.40 : 272,712.60 = 110,949.60 : x
  2. Step 2: Convert to fraction form
    181,808.40/272,712.60 = 110,949.60/x
  3. Step 3: Cross multiply
    181,808.40x = 272,712.60 × 110,949.60
  4. Step 4: Simplify right side
    181,808.40x = 30,257,353,884.96
  5. Step 5: Solve for x
    x = 30,257,353,884.96/181,808.40
  6. Step 6: Final answer
    x = 166,424.40

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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.