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Finding the Fourth Proportional to 167,751,891.60, 251,478,246.60 and 65,492,145.60

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Solution

The fourth proportional to 167,751,891.60, 251,478,246.60 and 65,492,145.60 is: 98,179,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,751,891.60 : 251,478,246.60 = 65,492,145.60 : x
  2. Step 2: Convert to fraction form
    167,751,891.60/251,478,246.60 = 65,492,145.60/x
  3. Step 3: Cross multiply
    167,751,891.60x = 251,478,246.60 × 65,492,145.60
  4. Step 4: Simplify right side
    167,751,891.60x = 16,469,849,941,559,904
  5. Step 5: Solve for x
    x = 16,469,849,941,559,904/167,751,891.60
  6. Step 6: Final answer
    x = 98,179,816.54

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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.