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Finding the Fourth Proportional to 168,291,842.40, 252,437,763.60 and 150,151,989.60

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Solution

The fourth proportional to 168,291,842.40, 252,437,763.60 and 150,151,989.60 is: 225,227,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,291,842.40 : 252,437,763.60 = 150,151,989.60 : x
  2. Step 2: Convert to fraction form
    168,291,842.40/252,437,763.60 = 150,151,989.60/x
  3. Step 3: Cross multiply
    168,291,842.40x = 252,437,763.60 × 150,151,989.60
  4. Step 4: Simplify right side
    168,291,842.40x = 37,904,032,454,714,456
  5. Step 5: Solve for x
    x = 37,904,032,454,714,456/168,291,842.40
  6. Step 6: Final answer
    x = 225,227,984.40

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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.