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Finding the Fourth Proportional to 171,366.13, 257,093.54 and 100,348.77

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Solution

The fourth proportional to 171,366.13, 257,093.54 and 100,348.77 is: 150,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,366.13 : 257,093.54 = 100,348.77 : x
  2. Step 2: Convert to fraction form
    171,366.13/257,093.54 = 100,348.77/x
  3. Step 3: Cross multiply
    171,366.13x = 257,093.54 × 100,348.77
  4. Step 4: Simplify right side
    171,366.13x = 25,799,021,917.07
  5. Step 5: Solve for x
    x = 25,799,021,917.07/171,366.13
  6. Step 6: Final answer
    x = 150,549.13

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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.