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Finding the Fourth Proportional to 243,162.94, 335,593.32 and 202,254.90

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Solution

The fourth proportional to 243,162.94, 335,593.32 and 202,254.90 is: 279,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,162.94 : 335,593.32 = 202,254.90 : x
  2. Step 2: Convert to fraction form
    243,162.94/335,593.32 = 202,254.90/x
  3. Step 3: Cross multiply
    243,162.94x = 335,593.32 × 202,254.90
  4. Step 4: Simplify right side
    243,162.94x = 67,875,391,699.30
  5. Step 5: Solve for x
    x = 67,875,391,699.30/243,162.94
  6. Step 6: Final answer
    x = 279,135.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.