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Finding the Fourth Proportional to 116,517.60, 174,625.20 and 54,055.20

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Solution

The fourth proportional to 116,517.60, 174,625.20 and 54,055.20 is: 81,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,517.60 : 174,625.20 = 54,055.20 : x
  2. Step 2: Convert to fraction form
    116,517.60/174,625.20 = 54,055.20/x
  3. Step 3: Cross multiply
    116,517.60x = 174,625.20 × 54,055.20
  4. Step 4: Simplify right side
    116,517.60x = 9,439,400,111.04
  5. Step 5: Solve for x
    x = 9,439,400,111.04/116,517.60
  6. Step 6: Final answer
    x = 81,012.65

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1.5x scale

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.