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Finding the Fourth Proportional to 167,431.40, 251,147.10 and 56,623.40

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Solution

The fourth proportional to 167,431.40, 251,147.10 and 56,623.40 is: 84,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,431.40 : 251,147.10 = 56,623.40 : x
  2. Step 2: Convert to fraction form
    167,431.40/251,147.10 = 56,623.40/x
  3. Step 3: Cross multiply
    167,431.40x = 251,147.10 × 56,623.40
  4. Step 4: Simplify right side
    167,431.40x = 14,220,802,702.14
  5. Step 5: Solve for x
    x = 14,220,802,702.14/167,431.40
  6. Step 6: Final answer
    x = 84,935.10

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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.