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Finding the Fourth Proportional to 218,189.60, 326,823.60 and 181,325.60

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Solution

The fourth proportional to 218,189.60, 326,823.60 and 181,325.60 is: 271,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,189.60 : 326,823.60 = 181,325.60 : x
  2. Step 2: Convert to fraction form
    218,189.60/326,823.60 = 181,325.60/x
  3. Step 3: Cross multiply
    218,189.60x = 326,823.60 × 181,325.60
  4. Step 4: Simplify right side
    218,189.60x = 59,261,485,364.16
  5. Step 5: Solve for x
    x = 59,261,485,364.16/218,189.60
  6. Step 6: Final answer
    x = 271,605.45

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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.