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Finding the Fourth Proportional to 168,030.60, 252,090.45 and 73,220.10

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Solution

The fourth proportional to 168,030.60, 252,090.45 and 73,220.10 is: 109,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,030.60 : 252,090.45 = 73,220.10 : x
  2. Step 2: Convert to fraction form
    168,030.60/252,090.45 = 73,220.10/x
  3. Step 3: Cross multiply
    168,030.60x = 252,090.45 × 73,220.10
  4. Step 4: Simplify right side
    168,030.60x = 18,458,087,958.05
  5. Step 5: Solve for x
    x = 18,458,087,958.05/168,030.60
  6. Step 6: Final answer
    x = 109,849.56

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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.