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Finding the Fourth Proportional to 84,745.20, 116,948.05 and 46,505.39

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Solution

The fourth proportional to 84,745.20, 116,948.05 and 46,505.39 is: 64,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,745.20 : 116,948.05 = 46,505.39 : x
  2. Step 2: Convert to fraction form
    84,745.20/116,948.05 = 46,505.39/x
  3. Step 3: Cross multiply
    84,745.20x = 116,948.05 × 46,505.39
  4. Step 4: Simplify right side
    84,745.20x = 5,438,714,674.99
  5. Step 5: Solve for x
    x = 5,438,714,674.99/84,745.20
  6. Step 6: Final answer
    x = 64,177.26

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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.