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Finding the Fourth Proportional to 133,599.69, 184,492.44 and 85,935.78

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Solution

The fourth proportional to 133,599.69, 184,492.44 and 85,935.78 is: 118,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,599.69 : 184,492.44 = 85,935.78 : x
  2. Step 2: Convert to fraction form
    133,599.69/184,492.44 = 85,935.78/x
  3. Step 3: Cross multiply
    133,599.69x = 184,492.44 × 85,935.78
  4. Step 4: Simplify right side
    133,599.69x = 15,854,501,735.50
  5. Step 5: Solve for x
    x = 15,854,501,735.50/133,599.69
  6. Step 6: Final answer
    x = 118,671.70

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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.