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Finding the Fourth Proportional to 133,757.63, 184,598.73 and 76,405.53

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Solution

The fourth proportional to 133,757.63, 184,598.73 and 76,405.53 is: 105,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,757.63 : 184,598.73 = 76,405.53 : x
  2. Step 2: Convert to fraction form
    133,757.63/184,598.73 = 76,405.53/x
  3. Step 3: Cross multiply
    133,757.63x = 184,598.73 × 76,405.53
  4. Step 4: Simplify right side
    133,757.63x = 14,104,363,456.85
  5. Step 5: Solve for x
    x = 14,104,363,456.85/133,757.63
  6. Step 6: Final answer
    x = 105,447.17

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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.