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Finding the Fourth Proportional to 88,969.57, 122,765.91 and 53,152

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Solution

The fourth proportional to 88,969.57, 122,765.91 and 53,152 is: 73,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,969.57 : 122,765.91 = 53,152 : x
  2. Step 2: Convert to fraction form
    88,969.57/122,765.91 = 53,152/x
  3. Step 3: Cross multiply
    88,969.57x = 122,765.91 × 53,152
  4. Step 4: Simplify right side
    88,969.57x = 6,525,253,648.32
  5. Step 5: Solve for x
    x = 6,525,253,648.32/88,969.57
  6. Step 6: Final answer
    x = 73,342.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.