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Finding the Fourth Proportional to 117,323.20, 175,869.60 and 104,881.60

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Solution

The fourth proportional to 117,323.20, 175,869.60 and 104,881.60 is: 157,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,323.20 : 175,869.60 = 104,881.60 : x
  2. Step 2: Convert to fraction form
    117,323.20/175,869.60 = 104,881.60/x
  3. Step 3: Cross multiply
    117,323.20x = 175,869.60 × 104,881.60
  4. Step 4: Simplify right side
    117,323.20x = 18,445,485,039.36
  5. Step 5: Solve for x
    x = 18,445,485,039.36/117,323.20
  6. Step 6: Final answer
    x = 157,219.42

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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.