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Finding the Fourth Proportional to 154,630.62, 232,019.10 and 84,507.84

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Solution

The fourth proportional to 154,630.62, 232,019.10 and 84,507.84 is: 126,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,630.62 : 232,019.10 = 84,507.84 : x
  2. Step 2: Convert to fraction form
    154,630.62/232,019.10 = 84,507.84/x
  3. Step 3: Cross multiply
    154,630.62x = 232,019.10 × 84,507.84
  4. Step 4: Simplify right side
    154,630.62x = 19,607,432,979.74
  5. Step 5: Solve for x
    x = 19,607,432,979.74/154,630.62
  6. Step 6: Final answer
    x = 126,801.75

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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.