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Finding the Fourth Proportional to 133,362.70, 184,045.49 and 72,929.77

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Solution

The fourth proportional to 133,362.70, 184,045.49 and 72,929.77 is: 100,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,362.70 : 184,045.49 = 72,929.77 : x
  2. Step 2: Convert to fraction form
    133,362.70/184,045.49 = 72,929.77/x
  3. Step 3: Cross multiply
    133,362.70x = 184,045.49 × 72,929.77
  4. Step 4: Simplify right side
    133,362.70x = 13,422,395,255.24
  5. Step 5: Solve for x
    x = 13,422,395,255.24/133,362.70
  6. Step 6: Final answer
    x = 100,645.80

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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.