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Finding the Fourth Proportional to 133,821.86, 184,657.31 and 73,376.60

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Solution

The fourth proportional to 133,821.86, 184,657.31 and 73,376.60 is: 101,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,821.86 : 184,657.31 = 73,376.60 : x
  2. Step 2: Convert to fraction form
    133,821.86/184,657.31 = 73,376.60/x
  3. Step 3: Cross multiply
    133,821.86x = 184,657.31 × 73,376.60
  4. Step 4: Simplify right side
    133,821.86x = 13,549,525,572.95
  5. Step 5: Solve for x
    x = 13,549,525,572.95/133,821.86
  6. Step 6: Final answer
    x = 101,250.47

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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.