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Finding the Fourth Proportional to 122,487.44, 183,732.98 and 43,599.60

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Solution

The fourth proportional to 122,487.44, 183,732.98 and 43,599.60 is: 65,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,487.44 : 183,732.98 = 43,599.60 : x
  2. Step 2: Convert to fraction form
    122,487.44/183,732.98 = 43,599.60/x
  3. Step 3: Cross multiply
    122,487.44x = 183,732.98 × 43,599.60
  4. Step 4: Simplify right side
    122,487.44x = 8,010,684,216.81
  5. Step 5: Solve for x
    x = 8,010,684,216.81/122,487.44
  6. Step 6: Final answer
    x = 65,400.05

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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.