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Finding the Fourth Proportional to 133,755.66, 184,552.49 and 90,741.02

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Solution

The fourth proportional to 133,755.66, 184,552.49 and 90,741.02 is: 125,202.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,755.66 : 184,552.49 = 90,741.02 : x
  2. Step 2: Convert to fraction form
    133,755.66/184,552.49 = 90,741.02/x
  3. Step 3: Cross multiply
    133,755.66x = 184,552.49 × 90,741.02
  4. Step 4: Simplify right side
    133,755.66x = 16,746,479,809.67
  5. Step 5: Solve for x
    x = 16,746,479,809.67/133,755.66
  6. Step 6: Final answer
    x = 125,202.03

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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.