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Finding the Fourth Proportional to 88,969.98, 133,369.22 and 32,779.36

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Solution

The fourth proportional to 88,969.98, 133,369.22 and 32,779.36 is: 49,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,969.98 : 133,369.22 = 32,779.36 : x
  2. Step 2: Convert to fraction form
    88,969.98/133,369.22 = 32,779.36/x
  3. Step 3: Cross multiply
    88,969.98x = 133,369.22 × 32,779.36
  4. Step 4: Simplify right side
    88,969.98x = 4,371,757,675.30
  5. Step 5: Solve for x
    x = 4,371,757,675.30/88,969.98
  6. Step 6: Final answer
    x = 49,137.45

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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.