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Finding the Fourth Proportional to 133,985.66, 184,900.52 and 73,560.20

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Solution

The fourth proportional to 133,985.66, 184,900.52 and 73,560.20 is: 101,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,985.66 : 184,900.52 = 73,560.20 : x
  2. Step 2: Convert to fraction form
    133,985.66/184,900.52 = 73,560.20/x
  3. Step 3: Cross multiply
    133,985.66x = 184,900.52 × 73,560.20
  4. Step 4: Simplify right side
    133,985.66x = 13,601,318,490.70
  5. Step 5: Solve for x
    x = 13,601,318,490.70/133,985.66
  6. Step 6: Final answer
    x = 101,513.24

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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.