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Finding the Fourth Proportional to 135,090.37, 202,562.65 and 95,724.37

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Solution

The fourth proportional to 135,090.37, 202,562.65 and 95,724.37 is: 143,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,090.37 : 202,562.65 = 95,724.37 : x
  2. Step 2: Convert to fraction form
    135,090.37/202,562.65 = 95,724.37/x
  3. Step 3: Cross multiply
    135,090.37x = 202,562.65 × 95,724.37
  4. Step 4: Simplify right side
    135,090.37x = 19,390,182,056.78
  5. Step 5: Solve for x
    x = 19,390,182,056.78/135,090.37
  6. Step 6: Final answer
    x = 143,534.89

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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.