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Finding the Fourth Proportional to 171,626.96, 257,430.18 and 101,949.68

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Solution

The fourth proportional to 171,626.96, 257,430.18 and 101,949.68 is: 152,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,626.96 : 257,430.18 = 101,949.68 : x
  2. Step 2: Convert to fraction form
    171,626.96/257,430.18 = 101,949.68/x
  3. Step 3: Cross multiply
    171,626.96x = 257,430.18 × 101,949.68
  4. Step 4: Simplify right side
    171,626.96x = 26,244,924,473.34
  5. Step 5: Solve for x
    x = 26,244,924,473.34/171,626.96
  6. Step 6: Final answer
    x = 152,918.43

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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.