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Finding the Fourth Proportional to 88,563.98, 122,212.18 and 49,807.60

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Solution

The fourth proportional to 88,563.98, 122,212.18 and 49,807.60 is: 68,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,563.98 : 122,212.18 = 49,807.60 : x
  2. Step 2: Convert to fraction form
    88,563.98/122,212.18 = 49,807.60/x
  3. Step 3: Cross multiply
    88,563.98x = 122,212.18 × 49,807.60
  4. Step 4: Simplify right side
    88,563.98x = 6,087,095,376.57
  5. Step 5: Solve for x
    x = 6,087,095,376.57/88,563.98
  6. Step 6: Final answer
    x = 68,731.05

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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.