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Finding the Fourth Proportional to 79,841.60, 119,762.40 and 27,233.60

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Solution

The fourth proportional to 79,841.60, 119,762.40 and 27,233.60 is: 40,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841.60 : 119,762.40 = 27,233.60 : x
  2. Step 2: Convert to fraction form
    79,841.60/119,762.40 = 27,233.60/x
  3. Step 3: Cross multiply
    79,841.60x = 119,762.40 × 27,233.60
  4. Step 4: Simplify right side
    79,841.60x = 3,261,561,296.64
  5. Step 5: Solve for x
    x = 3,261,561,296.64/79,841.60
  6. Step 6: Final answer
    x = 40,850.40

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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.