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Finding the Fourth Proportional to 133,551.36, 184,291.47 and 76,177.47

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Solution

The fourth proportional to 133,551.36, 184,291.47 and 76,177.47 is: 105,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,551.36 : 184,291.47 = 76,177.47 : x
  2. Step 2: Convert to fraction form
    133,551.36/184,291.47 = 76,177.47/x
  3. Step 3: Cross multiply
    133,551.36x = 184,291.47 × 76,177.47
  4. Step 4: Simplify right side
    133,551.36x = 14,038,857,927.18
  5. Step 5: Solve for x
    x = 14,038,857,927.18/133,551.36
  6. Step 6: Final answer
    x = 105,119.54

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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.