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Finding the Fourth Proportional to 112,495.80, 168,746.40 and 33,612.60

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Solution

The fourth proportional to 112,495.80, 168,746.40 and 33,612.60 is: 50,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,495.80 : 168,746.40 = 33,612.60 : x
  2. Step 2: Convert to fraction form
    112,495.80/168,746.40 = 33,612.60/x
  3. Step 3: Cross multiply
    112,495.80x = 168,746.40 × 33,612.60
  4. Step 4: Simplify right side
    112,495.80x = 5,672,005,244.64
  5. Step 5: Solve for x
    x = 5,672,005,244.64/112,495.80
  6. Step 6: Final answer
    x = 50,419.71

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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.