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Finding the Fourth Proportional to 202,285.70, 303,513.60 and 108,682.10

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Solution

The fourth proportional to 202,285.70, 303,513.60 and 108,682.10 is: 163,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,285.70 : 303,513.60 = 108,682.10 : x
  2. Step 2: Convert to fraction form
    202,285.70/303,513.60 = 108,682.10/x
  3. Step 3: Cross multiply
    202,285.70x = 303,513.60 × 108,682.10
  4. Step 4: Simplify right side
    202,285.70x = 32,986,495,426.56
  5. Step 5: Solve for x
    x = 32,986,495,426.56/202,285.70
  6. Step 6: Final answer
    x = 163,068.84

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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.