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Finding the Fourth Proportional to 54,194.80, 75,976.40 and 54,194.80

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Solution

The fourth proportional to 54,194.80, 75,976.40 and 54,194.80 is: 75,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,194.80 : 75,976.40 = 54,194.80 : x
  2. Step 2: Convert to fraction form
    54,194.80/75,976.40 = 54,194.80/x
  3. Step 3: Cross multiply
    54,194.80x = 75,976.40 × 54,194.80
  4. Step 4: Simplify right side
    54,194.80x = 4,117,525,802.72
  5. Step 5: Solve for x
    x = 4,117,525,802.72/54,194.80
  6. Step 6: Final answer
    x = 75,976.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.