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Finding the Fourth Proportional to 117,453.35, 162,086.04 and 63,738.35

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Solution

The fourth proportional to 117,453.35, 162,086.04 and 63,738.35 is: 87,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,453.35 : 162,086.04 = 63,738.35 : x
  2. Step 2: Convert to fraction form
    117,453.35/162,086.04 = 63,738.35/x
  3. Step 3: Cross multiply
    117,453.35x = 162,086.04 × 63,738.35
  4. Step 4: Simplify right side
    117,453.35x = 10,331,095,937.20
  5. Step 5: Solve for x
    x = 10,331,095,937.20/117,453.35
  6. Step 6: Final answer
    x = 87,959.15

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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.