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Finding the Fourth Proportional to 354,940.08, 532,539.72 and 167,966.16

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Solution

The fourth proportional to 354,940.08, 532,539.72 and 167,966.16 is: 252,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,940.08 : 532,539.72 = 167,966.16 : x
  2. Step 2: Convert to fraction form
    354,940.08/532,539.72 = 167,966.16/x
  3. Step 3: Cross multiply
    354,940.08x = 532,539.72 × 167,966.16
  4. Step 4: Simplify right side
    354,940.08x = 89,448,651,815.88
  5. Step 5: Solve for x
    x = 89,448,651,815.88/354,940.08
  6. Step 6: Final answer
    x = 252,010.57

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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.