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Finding the Fourth Proportional to 169,470.72, 253,896.26 and 79,348.10

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Solution

The fourth proportional to 169,470.72, 253,896.26 and 79,348.10 is: 118,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,470.72 : 253,896.26 = 79,348.10 : x
  2. Step 2: Convert to fraction form
    169,470.72/253,896.26 = 79,348.10/x
  3. Step 3: Cross multiply
    169,470.72x = 253,896.26 × 79,348.10
  4. Step 4: Simplify right side
    169,470.72x = 20,146,184,161.88
  5. Step 5: Solve for x
    x = 20,146,184,161.88/169,470.72
  6. Step 6: Final answer
    x = 118,877.08

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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.