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Finding the Fourth Proportional to 135,505.58, 203,305.52 and 60,633.63

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Solution

The fourth proportional to 135,505.58, 203,305.52 and 60,633.63 is: 90,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,505.58 : 203,305.52 = 60,633.63 : x
  2. Step 2: Convert to fraction form
    135,505.58/203,305.52 = 60,633.63/x
  3. Step 3: Cross multiply
    135,505.58x = 203,305.52 × 60,633.63
  4. Step 4: Simplify right side
    135,505.58x = 12,327,151,828.22
  5. Step 5: Solve for x
    x = 12,327,151,828.22/135,505.58
  6. Step 6: Final answer
    x = 90,971.55

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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.