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Finding the Fourth Proportional to 367,971.84, 552,171.87 and 154,724.31

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Solution

The fourth proportional to 367,971.84, 552,171.87 and 154,724.31 is: 232,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,971.84 : 552,171.87 = 154,724.31 : x
  2. Step 2: Convert to fraction form
    367,971.84/552,171.87 = 154,724.31/x
  3. Step 3: Cross multiply
    367,971.84x = 552,171.87 × 154,724.31
  4. Step 4: Simplify right side
    367,971.84x = 85,434,411,587.16
  5. Step 5: Solve for x
    x = 85,434,411,587.16/367,971.84
  6. Step 6: Final answer
    x = 232,176.49

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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.