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Finding the Fourth Proportional to 84,656.96, 116,802.96 and 66,696.24

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Solution

The fourth proportional to 84,656.96, 116,802.96 and 66,696.24 is: 92,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,656.96 : 116,802.96 = 66,696.24 : x
  2. Step 2: Convert to fraction form
    84,656.96/116,802.96 = 66,696.24/x
  3. Step 3: Cross multiply
    84,656.96x = 116,802.96 × 66,696.24
  4. Step 4: Simplify right side
    84,656.96x = 7,790,318,252.87
  5. Step 5: Solve for x
    x = 7,790,318,252.87/84,656.96
  6. Step 6: Final answer
    x = 92,022.18

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1.5x scale

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.