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Finding the Fourth Proportional to 111,442.50, 167,207.50 and 49,069.26

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Solution

The fourth proportional to 111,442.50, 167,207.50 and 49,069.26 is: 73,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,442.50 : 167,207.50 = 49,069.26 : x
  2. Step 2: Convert to fraction form
    111,442.50/167,207.50 = 49,069.26/x
  3. Step 3: Cross multiply
    111,442.50x = 167,207.50 × 49,069.26
  4. Step 4: Simplify right side
    111,442.50x = 8,204,748,291.45
  5. Step 5: Solve for x
    x = 8,204,748,291.45/111,442.50
  6. Step 6: Final answer
    x = 73,623.15

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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.