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Finding the Fourth Proportional to 154,797.81, 232,196.96 and 42,479.56

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Solution

The fourth proportional to 154,797.81, 232,196.96 and 42,479.56 is: 63,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,797.81 : 232,196.96 = 42,479.56 : x
  2. Step 2: Convert to fraction form
    154,797.81/232,196.96 = 42,479.56/x
  3. Step 3: Cross multiply
    154,797.81x = 232,196.96 × 42,479.56
  4. Step 4: Simplify right side
    154,797.81x = 9,863,624,694.14
  5. Step 5: Solve for x
    x = 9,863,624,694.14/154,797.81
  6. Step 6: Final answer
    x = 63,719.41

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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.