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Finding the Fourth Proportional to 88,588,682.80, 132,631,081.80 and 68,265,329.20

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Solution

The fourth proportional to 88,588,682.80, 132,631,081.80 and 68,265,329.20 is: 102,203,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,588,682.80 : 132,631,081.80 = 68,265,329.20 : x
  2. Step 2: Convert to fraction form
    88,588,682.80/132,631,081.80 = 68,265,329.20/x
  3. Step 3: Cross multiply
    88,588,682.80x = 132,631,081.80 × 68,265,329.20
  4. Step 4: Simplify right side
    88,588,682.80x = 9,054,104,461,229,128
  5. Step 5: Solve for x
    x = 9,054,104,461,229,128/88,588,682.80
  6. Step 6: Final answer
    x = 102,203,850.14

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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.