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Finding the Fourth Proportional to 84,505.61, 116,617.77 and 46,779.86

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Solution

The fourth proportional to 84,505.61, 116,617.77 and 46,779.86 is: 64,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,505.61 : 116,617.77 = 46,779.86 : x
  2. Step 2: Convert to fraction form
    84,505.61/116,617.77 = 46,779.86/x
  3. Step 3: Cross multiply
    84,505.61x = 116,617.77 × 46,779.86
  4. Step 4: Simplify right side
    84,505.61x = 5,455,363,245.66
  5. Step 5: Solve for x
    x = 5,455,363,245.66/84,505.61
  6. Step 6: Final answer
    x = 64,556.22

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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.