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Finding the Fourth Proportional to 109,097.22, 150,597.06 and 68,802.96

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Solution

The fourth proportional to 109,097.22, 150,597.06 and 68,802.96 is: 94,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,097.22 : 150,597.06 = 68,802.96 : x
  2. Step 2: Convert to fraction form
    109,097.22/150,597.06 = 68,802.96/x
  3. Step 3: Cross multiply
    109,097.22x = 150,597.06 × 68,802.96
  4. Step 4: Simplify right side
    109,097.22x = 10,361,523,495.30
  5. Step 5: Solve for x
    x = 10,361,523,495.30/109,097.22
  6. Step 6: Final answer
    x = 94,975.14

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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.