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Finding the Fourth Proportional to 88,649.54, 132,971.88 and 29,486.33

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Solution

The fourth proportional to 88,649.54, 132,971.88 and 29,486.33 is: 44,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,649.54 : 132,971.88 = 29,486.33 : x
  2. Step 2: Convert to fraction form
    88,649.54/132,971.88 = 29,486.33/x
  3. Step 3: Cross multiply
    88,649.54x = 132,971.88 × 29,486.33
  4. Step 4: Simplify right side
    88,649.54x = 3,920,852,734.40
  5. Step 5: Solve for x
    x = 3,920,852,734.40/88,649.54
  6. Step 6: Final answer
    x = 44,228.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.