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Finding the Fourth Proportional to 117,080.29, 161,570.12 and 63,364.80

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Solution

The fourth proportional to 117,080.29, 161,570.12 and 63,364.80 is: 87,443.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,080.29 : 161,570.12 = 63,364.80 : x
  2. Step 2: Convert to fraction form
    117,080.29/161,570.12 = 63,364.80/x
  3. Step 3: Cross multiply
    117,080.29x = 161,570.12 × 63,364.80
  4. Step 4: Simplify right side
    117,080.29x = 10,237,858,339.78
  5. Step 5: Solve for x
    x = 10,237,858,339.78/117,080.29
  6. Step 6: Final answer
    x = 87,443.06

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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.