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Finding the Fourth Proportional to 224,039.79, 309,172.06 and 122,069.50

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Solution

The fourth proportional to 224,039.79, 309,172.06 and 122,069.50 is: 168,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,039.79 : 309,172.06 = 122,069.50 : x
  2. Step 2: Convert to fraction form
    224,039.79/309,172.06 = 122,069.50/x
  3. Step 3: Cross multiply
    224,039.79x = 309,172.06 × 122,069.50
  4. Step 4: Simplify right side
    224,039.79x = 37,740,478,778.17
  5. Step 5: Solve for x
    x = 37,740,478,778.17/224,039.79
  6. Step 6: Final answer
    x = 168,454.36

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