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Finding the Fourth Proportional to 135,687.10, 203,494.20 and 46,967.80

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Solution

The fourth proportional to 135,687.10, 203,494.20 and 46,967.80 is: 70,439.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,687.10 : 203,494.20 = 46,967.80 : x
  2. Step 2: Convert to fraction form
    135,687.10/203,494.20 = 46,967.80/x
  3. Step 3: Cross multiply
    135,687.10x = 203,494.20 × 46,967.80
  4. Step 4: Simplify right side
    135,687.10x = 9,557,674,886.76
  5. Step 5: Solve for x
    x = 9,557,674,886.76/135,687.10
  6. Step 6: Final answer
    x = 70,439.08

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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.