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Finding the Fourth Proportional to 162,274.09, 243,434.17 and 49,963.64

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Solution

The fourth proportional to 162,274.09, 243,434.17 and 49,963.64 is: 74,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,274.09 : 243,434.17 = 49,963.64 : x
  2. Step 2: Convert to fraction form
    162,274.09/243,434.17 = 49,963.64/x
  3. Step 3: Cross multiply
    162,274.09x = 243,434.17 × 49,963.64
  4. Step 4: Simplify right side
    162,274.09x = 12,162,857,967.07
  5. Step 5: Solve for x
    x = 12,162,857,967.07/162,274.09
  6. Step 6: Final answer
    x = 74,952.56

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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.