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Finding the Fourth Proportional to 133,913, 184,799.42 and 73,484.65

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Solution

The fourth proportional to 133,913, 184,799.42 and 73,484.65 is: 101,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,913 : 184,799.42 = 73,484.65 : x
  2. Step 2: Convert to fraction form
    133,913/184,799.42 = 73,484.65/x
  3. Step 3: Cross multiply
    133,913x = 184,799.42 × 73,484.65
  4. Step 4: Simplify right side
    133,913x = 13,579,920,698.90
  5. Step 5: Solve for x
    x = 13,579,920,698.90/133,913
  6. Step 6: Final answer
    x = 101,408.53

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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.