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Finding the Fourth Proportional to 133,709.94, 184,603.59 and 86,046.10

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Solution

The fourth proportional to 133,709.94, 184,603.59 and 86,046.10 is: 118,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,709.94 : 184,603.59 = 86,046.10 : x
  2. Step 2: Convert to fraction form
    133,709.94/184,603.59 = 86,046.10/x
  3. Step 3: Cross multiply
    133,709.94x = 184,603.59 × 86,046.10
  4. Step 4: Simplify right side
    133,709.94x = 15,884,418,503.99
  5. Step 5: Solve for x
    x = 15,884,418,503.99/133,709.94
  6. Step 6: Final answer
    x = 118,797.59

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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.