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Finding the Fourth Proportional to 183,321,142.92, 252,978,130.26 and 100,814,927.40

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Solution

The fourth proportional to 183,321,142.92, 252,978,130.26 and 100,814,927.40 is: 139,121,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,321,142.92 : 252,978,130.26 = 100,814,927.40 : x
  2. Step 2: Convert to fraction form
    183,321,142.92/252,978,130.26 = 100,814,927.40/x
  3. Step 3: Cross multiply
    183,321,142.92x = 252,978,130.26 × 100,814,927.40
  4. Step 4: Simplify right side
    183,321,142.92x = 25,503,971,835,949,644
  5. Step 5: Solve for x
    x = 25,503,971,835,949,644/183,321,142.92
  6. Step 6: Final answer
    x = 139,121,824.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.