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Finding the Fourth Proportional to 168,752.10, 253,164.60 and 50,435.40

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Solution

The fourth proportional to 168,752.10, 253,164.60 and 50,435.40 is: 75,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,752.10 : 253,164.60 = 50,435.40 : x
  2. Step 2: Convert to fraction form
    168,752.10/253,164.60 = 50,435.40/x
  3. Step 3: Cross multiply
    168,752.10x = 253,164.60 × 50,435.40
  4. Step 4: Simplify right side
    168,752.10x = 12,768,457,866.84
  5. Step 5: Solve for x
    x = 12,768,457,866.84/168,752.10
  6. Step 6: Final answer
    x = 75,663.99

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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.