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Finding the Fourth Proportional to 154,281.60, 231,439.41 and 49,076.01

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Solution

The fourth proportional to 154,281.60, 231,439.41 and 49,076.01 is: 73,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,281.60 : 231,439.41 = 49,076.01 : x
  2. Step 2: Convert to fraction form
    154,281.60/231,439.41 = 49,076.01/x
  3. Step 3: Cross multiply
    154,281.60x = 231,439.41 × 49,076.01
  4. Step 4: Simplify right side
    154,281.60x = 11,358,122,799.55
  5. Step 5: Solve for x
    x = 11,358,122,799.55/154,281.60
  6. Step 6: Final answer
    x = 73,619.43

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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.