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Finding the Fourth Proportional to 133,558.38, 184,309.88 and 73,127.93

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Solution

The fourth proportional to 133,558.38, 184,309.88 and 73,127.93 is: 100,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,558.38 : 184,309.88 = 73,127.93 : x
  2. Step 2: Convert to fraction form
    133,558.38/184,309.88 = 73,127.93/x
  3. Step 3: Cross multiply
    133,558.38x = 184,309.88 × 73,127.93
  4. Step 4: Simplify right side
    133,558.38x = 13,478,199,264.22
  5. Step 5: Solve for x
    x = 13,478,199,264.22/133,558.38
  6. Step 6: Final answer
    x = 100,916.16

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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.