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Finding the Fourth Proportional to 135,714.12, 203,568.12 and 46,962.27

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Solution

The fourth proportional to 135,714.12, 203,568.12 and 46,962.27 is: 70,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,714.12 : 203,568.12 = 46,962.27 : x
  2. Step 2: Convert to fraction form
    135,714.12/203,568.12 = 46,962.27/x
  3. Step 3: Cross multiply
    135,714.12x = 203,568.12 × 46,962.27
  4. Step 4: Simplify right side
    135,714.12x = 9,560,021,014.83
  5. Step 5: Solve for x
    x = 9,560,021,014.83/135,714.12
  6. Step 6: Final answer
    x = 70,442.35

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1.5x scale

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.