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Finding the Fourth Proportional to 133,604, 184,369.88 and 76,242.28

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Solution

The fourth proportional to 133,604, 184,369.88 and 76,242.28 is: 105,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,604 : 184,369.88 = 76,242.28 : x
  2. Step 2: Convert to fraction form
    133,604/184,369.88 = 76,242.28/x
  3. Step 3: Cross multiply
    133,604x = 184,369.88 × 76,242.28
  4. Step 4: Simplify right side
    133,604x = 14,056,780,014.53
  5. Step 5: Solve for x
    x = 14,056,780,014.53/133,604
  6. Step 6: Final answer
    x = 105,212.27

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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.