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Finding the Fourth Proportional to 108,286.80, 162,448.65 and 33,405.54

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Solution

The fourth proportional to 108,286.80, 162,448.65 and 33,405.54 is: 50,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,286.80 : 162,448.65 = 33,405.54 : x
  2. Step 2: Convert to fraction form
    108,286.80/162,448.65 = 33,405.54/x
  3. Step 3: Cross multiply
    108,286.80x = 162,448.65 × 33,405.54
  4. Step 4: Simplify right side
    108,286.80x = 5,426,684,875.52
  5. Step 5: Solve for x
    x = 5,426,684,875.52/108,286.80
  6. Step 6: Final answer
    x = 50,114.00

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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.