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Finding the Fourth Proportional to 183,602.92, 275,417.64 and 76,879.50

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Solution

The fourth proportional to 183,602.92, 275,417.64 and 76,879.50 is: 115,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,602.92 : 275,417.64 = 76,879.50 : x
  2. Step 2: Convert to fraction form
    183,602.92/275,417.64 = 76,879.50/x
  3. Step 3: Cross multiply
    183,602.92x = 275,417.64 × 76,879.50
  4. Step 4: Simplify right side
    183,602.92x = 21,173,970,454.38
  5. Step 5: Solve for x
    x = 21,173,970,454.38/183,602.92
  6. Step 6: Final answer
    x = 115,324.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.