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Finding the Fourth Proportional to 133,702.72, 184,509.78 and 73,272.81

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Solution

The fourth proportional to 133,702.72, 184,509.78 and 73,272.81 is: 101,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,702.72 : 184,509.78 = 73,272.81 : x
  2. Step 2: Convert to fraction form
    133,702.72/184,509.78 = 73,272.81/x
  3. Step 3: Cross multiply
    133,702.72x = 184,509.78 × 73,272.81
  4. Step 4: Simplify right side
    133,702.72x = 13,519,550,053.08
  5. Step 5: Solve for x
    x = 13,519,550,053.08/133,702.72
  6. Step 6: Final answer
    x = 101,116.49

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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.