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Finding the Fourth Proportional to 133,981.94, 184,888.11 and 79,536.37

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Solution

The fourth proportional to 133,981.94, 184,888.11 and 79,536.37 is: 109,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,981.94 : 184,888.11 = 79,536.37 : x
  2. Step 2: Convert to fraction form
    133,981.94/184,888.11 = 79,536.37/x
  3. Step 3: Cross multiply
    133,981.94x = 184,888.11 × 79,536.37
  4. Step 4: Simplify right side
    133,981.94x = 14,705,328,663.34
  5. Step 5: Solve for x
    x = 14,705,328,663.34/133,981.94
  6. Step 6: Final answer
    x = 109,756.06

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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.