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Finding the Fourth Proportional to 133,807.53, 184,654.64 and 73,378.61

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Solution

The fourth proportional to 133,807.53, 184,654.64 and 73,378.61 is: 101,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,807.53 : 184,654.64 = 73,378.61 : x
  2. Step 2: Convert to fraction form
    133,807.53/184,654.64 = 73,378.61/x
  3. Step 3: Cross multiply
    133,807.53x = 184,654.64 × 73,378.61
  4. Step 4: Simplify right side
    133,807.53x = 13,549,700,813.25
  5. Step 5: Solve for x
    x = 13,549,700,813.25/133,807.53
  6. Step 6: Final answer
    x = 101,262.62

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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.