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Finding the Fourth Proportional to 101,885.33, 140,602.28 and 63,667.10

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Solution

The fourth proportional to 101,885.33, 140,602.28 and 63,667.10 is: 87,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,885.33 : 140,602.28 = 63,667.10 : x
  2. Step 2: Convert to fraction form
    101,885.33/140,602.28 = 63,667.10/x
  3. Step 3: Cross multiply
    101,885.33x = 140,602.28 × 63,667.10
  4. Step 4: Simplify right side
    101,885.33x = 8,951,739,420.99
  5. Step 5: Solve for x
    x = 8,951,739,420.99/101,885.33
  6. Step 6: Final answer
    x = 87,860.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.