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Finding the Fourth Proportional to 131,302.69, 180,944.89 and 95,435.89

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Solution

The fourth proportional to 131,302.69, 180,944.89 and 95,435.89 is: 131,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,302.69 : 180,944.89 = 95,435.89 : x
  2. Step 2: Convert to fraction form
    131,302.69/180,944.89 = 95,435.89/x
  3. Step 3: Cross multiply
    131,302.69x = 180,944.89 × 95,435.89
  4. Step 4: Simplify right side
    131,302.69x = 17,268,636,618.10
  5. Step 5: Solve for x
    x = 17,268,636,618.10/131,302.69
  6. Step 6: Final answer
    x = 131,517.77

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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.