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Finding the Fourth Proportional to 135,753.60, 203,630.40 and 37,257.60

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Solution

The fourth proportional to 135,753.60, 203,630.40 and 37,257.60 is: 55,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,753.60 : 203,630.40 = 37,257.60 : x
  2. Step 2: Convert to fraction form
    135,753.60/203,630.40 = 37,257.60/x
  3. Step 3: Cross multiply
    135,753.60x = 203,630.40 × 37,257.60
  4. Step 4: Simplify right side
    135,753.60x = 7,586,779,991.04
  5. Step 5: Solve for x
    x = 7,586,779,991.04/135,753.60
  6. Step 6: Final answer
    x = 55,886.40

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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.