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Finding the Fourth Proportional to 133,655.88, 184,438.26 and 77,063.88

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Solution

The fourth proportional to 133,655.88, 184,438.26 and 77,063.88 is: 106,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,655.88 : 184,438.26 = 77,063.88 : x
  2. Step 2: Convert to fraction form
    133,655.88/184,438.26 = 77,063.88/x
  3. Step 3: Cross multiply
    133,655.88x = 184,438.26 × 77,063.88
  4. Step 4: Simplify right side
    133,655.88x = 14,213,527,936.05
  5. Step 5: Solve for x
    x = 14,213,527,936.05/133,655.88
  6. Step 6: Final answer
    x = 106,344.20

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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.