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Finding the Fourth Proportional to 117,085.66, 161,576.94 and 63,369.52

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Solution

The fourth proportional to 117,085.66, 161,576.94 and 63,369.52 is: 87,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,085.66 : 161,576.94 = 63,369.52 : x
  2. Step 2: Convert to fraction form
    117,085.66/161,576.94 = 63,369.52/x
  3. Step 3: Cross multiply
    117,085.66x = 161,576.94 × 63,369.52
  4. Step 4: Simplify right side
    117,085.66x = 10,239,053,130.87
  5. Step 5: Solve for x
    x = 10,239,053,130.87/117,085.66
  6. Step 6: Final answer
    x = 87,449.25

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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.