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Finding the Fourth Proportional to 172,649.46, 259,216.49 and 88,470.11

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Solution

The fourth proportional to 172,649.46, 259,216.49 and 88,470.11 is: 132,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,649.46 : 259,216.49 = 88,470.11 : x
  2. Step 2: Convert to fraction form
    172,649.46/259,216.49 = 88,470.11/x
  3. Step 3: Cross multiply
    172,649.46x = 259,216.49 × 88,470.11
  4. Step 4: Simplify right side
    172,649.46x = 22,932,911,384.11
  5. Step 5: Solve for x
    x = 22,932,911,384.11/172,649.46
  6. Step 6: Final answer
    x = 132,829.33

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