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Finding the Fourth Proportional to 162,274.84, 243,435.30 and 49,964.39

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Solution

The fourth proportional to 162,274.84, 243,435.30 and 49,964.39 is: 74,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,274.84 : 243,435.30 = 49,964.39 : x
  2. Step 2: Convert to fraction form
    162,274.84/243,435.30 = 49,964.39/x
  3. Step 3: Cross multiply
    162,274.84x = 243,435.30 × 49,964.39
  4. Step 4: Simplify right side
    162,274.84x = 12,163,096,268.97
  5. Step 5: Solve for x
    x = 12,163,096,268.97/162,274.84
  6. Step 6: Final answer
    x = 74,953.68

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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.