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Finding the Fourth Proportional to 143,832.48, 215,750.72 and 55,090.48

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Solution

The fourth proportional to 143,832.48, 215,750.72 and 55,090.48 is: 82,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,832.48 : 215,750.72 = 55,090.48 : x
  2. Step 2: Convert to fraction form
    143,832.48/215,750.72 = 55,090.48/x
  3. Step 3: Cross multiply
    143,832.48x = 215,750.72 × 55,090.48
  4. Step 4: Simplify right side
    143,832.48x = 11,885,810,725.15
  5. Step 5: Solve for x
    x = 11,885,810,725.15/143,832.48
  6. Step 6: Final answer
    x = 82,636.49

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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.