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Finding the Fourth Proportional to 133,820.86, 184,655.93 and 73,375.60

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Solution

The fourth proportional to 133,820.86, 184,655.93 and 73,375.60 is: 101,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,820.86 : 184,655.93 = 73,375.60 : x
  2. Step 2: Convert to fraction form
    133,820.86/184,655.93 = 73,375.60/x
  3. Step 3: Cross multiply
    133,820.86x = 184,655.93 × 73,375.60
  4. Step 4: Simplify right side
    133,820.86x = 13,549,238,862.04
  5. Step 5: Solve for x
    x = 13,549,238,862.04/133,820.86
  6. Step 6: Final answer
    x = 101,249.08

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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.