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Finding the Fourth Proportional to 202,165.40, 302,664.90 and 196,333.40

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Solution

The fourth proportional to 202,165.40, 302,664.90 and 196,333.40 is: 293,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,165.40 : 302,664.90 = 196,333.40 : x
  2. Step 2: Convert to fraction form
    202,165.40/302,664.90 = 196,333.40/x
  3. Step 3: Cross multiply
    202,165.40x = 302,664.90 × 196,333.40
  4. Step 4: Simplify right side
    202,165.40x = 59,423,228,877.66
  5. Step 5: Solve for x
    x = 59,423,228,877.66/202,165.40
  6. Step 6: Final answer
    x = 293,933.72

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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.