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Finding the Fourth Proportional to 117,453.46, 162,086.20 and 63,738.46

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Solution

The fourth proportional to 117,453.46, 162,086.20 and 63,738.46 is: 87,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,453.46 : 162,086.20 = 63,738.46 : x
  2. Step 2: Convert to fraction form
    117,453.46/162,086.20 = 63,738.46/x
  3. Step 3: Cross multiply
    117,453.46x = 162,086.20 × 63,738.46
  4. Step 4: Simplify right side
    117,453.46x = 10,331,124,818.51
  5. Step 5: Solve for x
    x = 10,331,124,818.51/117,453.46
  6. Step 6: Final answer
    x = 87,959.31

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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.