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Finding the Fourth Proportional to 117,798.97, 176,718.30 and 54,593.45

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Solution

The fourth proportional to 117,798.97, 176,718.30 and 54,593.45 is: 81,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,798.97 : 176,718.30 = 54,593.45 : x
  2. Step 2: Convert to fraction form
    117,798.97/176,718.30 = 54,593.45/x
  3. Step 3: Cross multiply
    117,798.97x = 176,718.30 × 54,593.45
  4. Step 4: Simplify right side
    117,798.97x = 9,647,662,550.64
  5. Step 5: Solve for x
    x = 9,647,662,550.64/117,798.97
  6. Step 6: Final answer
    x = 81,899.38

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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.