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Finding the Fourth Proportional to 117,476.30, 162,117.44 and 63,761.33

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Solution

The fourth proportional to 117,476.30, 162,117.44 and 63,761.33 is: 87,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,476.30 : 162,117.44 = 63,761.33 : x
  2. Step 2: Convert to fraction form
    117,476.30/162,117.44 = 63,761.33/x
  3. Step 3: Cross multiply
    117,476.30x = 162,117.44 × 63,761.33
  4. Step 4: Simplify right side
    117,476.30x = 10,336,823,629.31
  5. Step 5: Solve for x
    x = 10,336,823,629.31/117,476.30
  6. Step 6: Final answer
    x = 87,990.72

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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.