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Finding the Fourth Proportional to 168,665.92, 252,969.60 and 63,485.68

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Solution

The fourth proportional to 168,665.92, 252,969.60 and 63,485.68 is: 95,217.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,665.92 : 252,969.60 = 63,485.68 : x
  2. Step 2: Convert to fraction form
    168,665.92/252,969.60 = 63,485.68/x
  3. Step 3: Cross multiply
    168,665.92x = 252,969.60 × 63,485.68
  4. Step 4: Simplify right side
    168,665.92x = 16,059,947,075.33
  5. Step 5: Solve for x
    x = 16,059,947,075.33/168,665.92
  6. Step 6: Final answer
    x = 95,217.50

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1.5x scale

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.