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Finding the Fourth Proportional to 84,697.27, 116,879.29 and 46,975.03

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Solution

The fourth proportional to 84,697.27, 116,879.29 and 46,975.03 is: 64,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,697.27 : 116,879.29 = 46,975.03 : x
  2. Step 2: Convert to fraction form
    84,697.27/116,879.29 = 46,975.03/x
  3. Step 3: Cross multiply
    84,697.27x = 116,879.29 × 46,975.03
  4. Step 4: Simplify right side
    84,697.27x = 5,490,408,154.13
  5. Step 5: Solve for x
    x = 5,490,408,154.13/84,697.27
  6. Step 6: Final answer
    x = 64,823.91

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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.