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Finding the Fourth Proportional to 117,467.17, 162,103.34 and 63,752.22

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Solution

The fourth proportional to 117,467.17, 162,103.34 and 63,752.22 is: 87,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,467.17 : 162,103.34 = 63,752.22 : x
  2. Step 2: Convert to fraction form
    117,467.17/162,103.34 = 63,752.22/x
  3. Step 3: Cross multiply
    117,467.17x = 162,103.34 × 63,752.22
  4. Step 4: Simplify right side
    117,467.17x = 10,334,447,953.80
  5. Step 5: Solve for x
    x = 10,334,447,953.80/117,467.17
  6. Step 6: Final answer
    x = 87,977.33

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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.