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Finding the Fourth Proportional to 117,649.33, 162,355.95 and 63,934.23

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Solution

The fourth proportional to 117,649.33, 162,355.95 and 63,934.23 is: 88,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,649.33 : 162,355.95 = 63,934.23 : x
  2. Step 2: Convert to fraction form
    117,649.33/162,355.95 = 63,934.23/x
  3. Step 3: Cross multiply
    117,649.33x = 162,355.95 × 63,934.23
  4. Step 4: Simplify right side
    117,649.33x = 10,380,102,649.17
  5. Step 5: Solve for x
    x = 10,380,102,649.17/117,649.33
  6. Step 6: Final answer
    x = 88,229.17

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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.