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Finding the Fourth Proportional to 202,493.10, 303,739.65 and 163,127.10

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Solution

The fourth proportional to 202,493.10, 303,739.65 and 163,127.10 is: 244,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,493.10 : 303,739.65 = 163,127.10 : x
  2. Step 2: Convert to fraction form
    202,493.10/303,739.65 = 163,127.10/x
  3. Step 3: Cross multiply
    202,493.10x = 303,739.65 × 163,127.10
  4. Step 4: Simplify right side
    202,493.10x = 49,548,168,259.52
  5. Step 5: Solve for x
    x = 49,548,168,259.52/202,493.10
  6. Step 6: Final answer
    x = 244,690.65

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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.