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Finding the Fourth Proportional to 136,762.61, 188,583.60 and 88,927.25

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Solution

The fourth proportional to 136,762.61, 188,583.60 and 88,927.25 is: 122,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,762.61 : 188,583.60 = 88,927.25 : x
  2. Step 2: Convert to fraction form
    136,762.61/188,583.60 = 88,927.25/x
  3. Step 3: Cross multiply
    136,762.61x = 188,583.60 × 88,927.25
  4. Step 4: Simplify right side
    136,762.61x = 16,770,220,000.18
  5. Step 5: Solve for x
    x = 16,770,220,000.18/136,762.61
  6. Step 6: Final answer
    x = 122,622.85

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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.