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Finding the Fourth Proportional to 116,495.40, 174,767.40 and 66,534.60

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Solution

The fourth proportional to 116,495.40, 174,767.40 and 66,534.60 is: 99,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,495.40 : 174,767.40 = 66,534.60 : x
  2. Step 2: Convert to fraction form
    116,495.40/174,767.40 = 66,534.60/x
  3. Step 3: Cross multiply
    116,495.40x = 174,767.40 × 66,534.60
  4. Step 4: Simplify right side
    116,495.40x = 11,628,079,052.04
  5. Step 5: Solve for x
    x = 11,628,079,052.04/116,495.40
  6. Step 6: Final answer
    x = 99,815.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.