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Finding the Fourth Proportional to 169,627.40, 253,922.70 and 169,627.40

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Solution

The fourth proportional to 169,627.40, 253,922.70 and 169,627.40 is: 253,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,627.40 : 253,922.70 = 169,627.40 : x
  2. Step 2: Convert to fraction form
    169,627.40/253,922.70 = 169,627.40/x
  3. Step 3: Cross multiply
    169,627.40x = 253,922.70 × 169,627.40
  4. Step 4: Simplify right side
    169,627.40x = 43,072,247,401.98
  5. Step 5: Solve for x
    x = 43,072,247,401.98/169,627.40
  6. Step 6: Final answer
    x = 253,922.70

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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.