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Finding the Fourth Proportional to 223,986.80, 335,980.20 and 167,999.60

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Solution

The fourth proportional to 223,986.80, 335,980.20 and 167,999.60 is: 251,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,986.80 : 335,980.20 = 167,999.60 : x
  2. Step 2: Convert to fraction form
    223,986.80/335,980.20 = 167,999.60/x
  3. Step 3: Cross multiply
    223,986.80x = 335,980.20 × 167,999.60
  4. Step 4: Simplify right side
    223,986.80x = 56,444,539,207.92
  5. Step 5: Solve for x
    x = 56,444,539,207.92/223,986.80
  6. Step 6: Final answer
    x = 251,999.40

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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.