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Finding the Fourth Proportional to 133,821.61, 184,656.96 and 73,376.35

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Solution

The fourth proportional to 133,821.61, 184,656.96 and 73,376.35 is: 101,250.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,821.61 : 184,656.96 = 73,376.35 : x
  2. Step 2: Convert to fraction form
    133,821.61/184,656.96 = 73,376.35/x
  3. Step 3: Cross multiply
    133,821.61x = 184,656.96 × 73,376.35
  4. Step 4: Simplify right side
    133,821.61x = 13,549,453,265.25
  5. Step 5: Solve for x
    x = 13,549,453,265.25/133,821.61
  6. Step 6: Final answer
    x = 101,250.12

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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.