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Finding the Fourth Proportional to 133,710.94, 184,604.97 and 86,047.10

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Solution

The fourth proportional to 133,710.94, 184,604.97 and 86,047.10 is: 118,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,710.94 : 184,604.97 = 86,047.10 : x
  2. Step 2: Convert to fraction form
    133,710.94/184,604.97 = 86,047.10/x
  3. Step 3: Cross multiply
    133,710.94x = 184,604.97 × 86,047.10
  4. Step 4: Simplify right side
    133,710.94x = 15,884,722,314.09
  5. Step 5: Solve for x
    x = 15,884,722,314.09/133,710.94
  6. Step 6: Final answer
    x = 118,798.97

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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.