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Finding the Fourth Proportional to 113,852.60, 170,714.90 and 43,734.20

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Solution

The fourth proportional to 113,852.60, 170,714.90 and 43,734.20 is: 65,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,852.60 : 170,714.90 = 43,734.20 : x
  2. Step 2: Convert to fraction form
    113,852.60/170,714.90 = 43,734.20/x
  3. Step 3: Cross multiply
    113,852.60x = 170,714.90 × 43,734.20
  4. Step 4: Simplify right side
    113,852.60x = 7,466,079,579.58
  5. Step 5: Solve for x
    x = 7,466,079,579.58/113,852.60
  6. Step 6: Final answer
    x = 65,576.72

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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.