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Finding the Fourth Proportional to 133,992.90, 184,909.37 and 73,564.47

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Solution

The fourth proportional to 133,992.90, 184,909.37 and 73,564.47 is: 101,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,992.90 : 184,909.37 = 73,564.47 : x
  2. Step 2: Convert to fraction form
    133,992.90/184,909.37 = 73,564.47/x
  3. Step 3: Cross multiply
    133,992.90x = 184,909.37 × 73,564.47
  4. Step 4: Simplify right side
    133,992.90x = 13,602,759,434.26
  5. Step 5: Solve for x
    x = 13,602,759,434.26/133,992.90
  6. Step 6: Final answer
    x = 101,518.51

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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.