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Finding the Fourth Proportional to 122,599.98, 183,769.29 and 69,895.98

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Solution

The fourth proportional to 122,599.98, 183,769.29 and 69,895.98 is: 104,769.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,599.98 : 183,769.29 = 69,895.98 : x
  2. Step 2: Convert to fraction form
    122,599.98/183,769.29 = 69,895.98/x
  3. Step 3: Cross multiply
    122,599.98x = 183,769.29 × 69,895.98
  4. Step 4: Simplify right side
    122,599.98x = 12,844,734,618.45
  5. Step 5: Solve for x
    x = 12,844,734,618.45/122,599.98
  6. Step 6: Final answer
    x = 104,769.47

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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.