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Finding the Fourth Proportional to 303,695,873.88, 455,621,493.05 and 88,285,121.88

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Solution

The fourth proportional to 303,695,873.88, 455,621,493.05 and 88,285,121.88 is: 132,450,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,695,873.88 : 455,621,493.05 = 88,285,121.88 : x
  2. Step 2: Convert to fraction form
    303,695,873.88/455,621,493.05 = 88,285,121.88/x
  3. Step 3: Cross multiply
    303,695,873.88x = 455,621,493.05 × 88,285,121.88
  4. Step 4: Simplify right side
    303,695,873.88x = 40,224,599,045,066,824
  5. Step 5: Solve for x
    x = 40,224,599,045,066,824/303,695,873.88
  6. Step 6: Final answer
    x = 132,450,265.23

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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.