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Finding the Fourth Proportional to 84,904.83, 117,169.74 and 46,668.56

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Solution

The fourth proportional to 84,904.83, 117,169.74 and 46,668.56 is: 64,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,904.83 : 117,169.74 = 46,668.56 : x
  2. Step 2: Convert to fraction form
    84,904.83/117,169.74 = 46,668.56/x
  3. Step 3: Cross multiply
    84,904.83x = 117,169.74 × 46,668.56
  4. Step 4: Simplify right side
    84,904.83x = 5,468,142,455.53
  5. Step 5: Solve for x
    x = 5,468,142,455.53/84,904.83
  6. Step 6: Final answer
    x = 64,403.20

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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.