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Finding the Fourth Proportional to 168,004.40, 252,006.60 and 151,415.60

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Solution

The fourth proportional to 168,004.40, 252,006.60 and 151,415.60 is: 227,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,004.40 : 252,006.60 = 151,415.60 : x
  2. Step 2: Convert to fraction form
    168,004.40/252,006.60 = 151,415.60/x
  3. Step 3: Cross multiply
    168,004.40x = 252,006.60 × 151,415.60
  4. Step 4: Simplify right side
    168,004.40x = 38,157,730,542.96
  5. Step 5: Solve for x
    x = 38,157,730,542.96/168,004.40
  6. Step 6: Final answer
    x = 227,123.40

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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.