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Finding the Fourth Proportional to 168,240.60, 252,405.45 and 73,430.10

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Solution

The fourth proportional to 168,240.60, 252,405.45 and 73,430.10 is: 110,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,240.60 : 252,405.45 = 73,430.10 : x
  2. Step 2: Convert to fraction form
    168,240.60/252,405.45 = 73,430.10/x
  3. Step 3: Cross multiply
    168,240.60x = 252,405.45 × 73,430.10
  4. Step 4: Simplify right side
    168,240.60x = 18,534,157,434.05
  5. Step 5: Solve for x
    x = 18,534,157,434.05/168,240.60
  6. Step 6: Final answer
    x = 110,164.59

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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.