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Finding the Fourth Proportional to 168,472.55, 252,929.48 and 112,671.25

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Solution

The fourth proportional to 168,472.55, 252,929.48 and 112,671.25 is: 169,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,472.55 : 252,929.48 = 112,671.25 : x
  2. Step 2: Convert to fraction form
    168,472.55/252,929.48 = 112,671.25/x
  3. Step 3: Cross multiply
    168,472.55x = 252,929.48 × 112,671.25
  4. Step 4: Simplify right side
    168,472.55x = 28,497,880,673.45
  5. Step 5: Solve for x
    x = 28,497,880,673.45/168,472.55
  6. Step 6: Final answer
    x = 169,154.44

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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.