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Finding the Fourth Proportional to 88,453, 132,679.50 and 26,128.36

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Solution

The fourth proportional to 88,453, 132,679.50 and 26,128.36 is: 39,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,453 : 132,679.50 = 26,128.36 : x
  2. Step 2: Convert to fraction form
    88,453/132,679.50 = 26,128.36/x
  3. Step 3: Cross multiply
    88,453x = 132,679.50 × 26,128.36
  4. Step 4: Simplify right side
    88,453x = 3,466,697,740.62
  5. Step 5: Solve for x
    x = 3,466,697,740.62/88,453
  6. Step 6: Final answer
    x = 39,192.54

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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.