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Finding the Fourth Proportional to 84,866.51, 117,116.12 and 46,629.16

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Solution

The fourth proportional to 84,866.51, 117,116.12 and 46,629.16 is: 64,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,866.51 : 117,116.12 = 46,629.16 : x
  2. Step 2: Convert to fraction form
    84,866.51/117,116.12 = 46,629.16/x
  3. Step 3: Cross multiply
    84,866.51x = 117,116.12 × 46,629.16
  4. Step 4: Simplify right side
    84,866.51x = 5,461,026,121.84
  5. Step 5: Solve for x
    x = 5,461,026,121.84/84,866.51
  6. Step 6: Final answer
    x = 64,348.42

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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.