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Finding the Fourth Proportional to 133,841.85, 184,631.79 and 79,362.32

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Solution

The fourth proportional to 133,841.85, 184,631.79 and 79,362.32 is: 109,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,841.85 : 184,631.79 = 79,362.32 : x
  2. Step 2: Convert to fraction form
    133,841.85/184,631.79 = 79,362.32/x
  3. Step 3: Cross multiply
    133,841.85x = 184,631.79 × 79,362.32
  4. Step 4: Simplify right side
    133,841.85x = 14,652,806,276.99
  5. Step 5: Solve for x
    x = 14,652,806,276.99/133,841.85
  6. Step 6: Final answer
    x = 109,478.51

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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.