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Finding the Fourth Proportional to 174,396.39, 240,740.15 and 117,884.31

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Solution

The fourth proportional to 174,396.39, 240,740.15 and 117,884.31 is: 162,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,396.39 : 240,740.15 = 117,884.31 : x
  2. Step 2: Convert to fraction form
    174,396.39/240,740.15 = 117,884.31/x
  3. Step 3: Cross multiply
    174,396.39x = 240,740.15 × 117,884.31
  4. Step 4: Simplify right side
    174,396.39x = 28,379,485,882.62
  5. Step 5: Solve for x
    x = 28,379,485,882.62/174,396.39
  6. Step 6: Final answer
    x = 162,729.78

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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.