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Finding the Fourth Proportional to 88,650,628.80, 132,863,968.80 and 43,114,372.80

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Solution

The fourth proportional to 88,650,628.80, 132,863,968.80 and 43,114,372.80 is: 64,617,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,650,628.80 : 132,863,968.80 = 43,114,372.80 : x
  2. Step 2: Convert to fraction form
    88,650,628.80/132,863,968.80 = 43,114,372.80/x
  3. Step 3: Cross multiply
    88,650,628.80x = 132,863,968.80 × 43,114,372.80
  4. Step 4: Simplify right side
    88,650,628.80x = 5,728,346,682,530,768
  5. Step 5: Solve for x
    x = 5,728,346,682,530,768/88,650,628.80
  6. Step 6: Final answer
    x = 64,617,101.54

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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.