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Finding the Fourth Proportional to 169,461.97, 253,883.13 and 79,339.35

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Solution

The fourth proportional to 169,461.97, 253,883.13 and 79,339.35 is: 118,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,461.97 : 253,883.13 = 79,339.35 : x
  2. Step 2: Convert to fraction form
    169,461.97/253,883.13 = 79,339.35/x
  3. Step 3: Cross multiply
    169,461.97x = 253,883.13 × 79,339.35
  4. Step 4: Simplify right side
    169,461.97x = 20,142,921,240.75
  5. Step 5: Solve for x
    x = 20,142,921,240.75/169,461.97
  6. Step 6: Final answer
    x = 118,863.96

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1.5x scale

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.