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Finding the Fourth Proportional to 84,279.88, 116,310.90 and 46,553.32

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Solution

The fourth proportional to 84,279.88, 116,310.90 and 46,553.32 is: 64,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,279.88 : 116,310.90 = 46,553.32 : x
  2. Step 2: Convert to fraction form
    84,279.88/116,310.90 = 46,553.32/x
  3. Step 3: Cross multiply
    84,279.88x = 116,310.90 × 46,553.32
  4. Step 4: Simplify right side
    84,279.88x = 5,414,658,547.19
  5. Step 5: Solve for x
    x = 5,414,658,547.19/84,279.88
  6. Step 6: Final answer
    x = 64,246.16

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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.