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Finding the Fourth Proportional to 88,029.90, 132,063.24 and 28,860.90

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Solution

The fourth proportional to 88,029.90, 132,063.24 and 28,860.90 is: 43,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,029.90 : 132,063.24 = 28,860.90 : x
  2. Step 2: Convert to fraction form
    88,029.90/132,063.24 = 28,860.90/x
  3. Step 3: Cross multiply
    88,029.90x = 132,063.24 × 28,860.90
  4. Step 4: Simplify right side
    88,029.90x = 3,811,463,963.32
  5. Step 5: Solve for x
    x = 3,811,463,963.32/88,029.90
  6. Step 6: Final answer
    x = 43,297.38

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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.