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Finding the Fourth Proportional to 169,081.43, 253,509.59 and 101,461.21

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Solution

The fourth proportional to 169,081.43, 253,509.59 and 101,461.21 is: 152,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,081.43 : 253,509.59 = 101,461.21 : x
  2. Step 2: Convert to fraction form
    169,081.43/253,509.59 = 101,461.21/x
  3. Step 3: Cross multiply
    169,081.43x = 253,509.59 × 101,461.21
  4. Step 4: Simplify right side
    169,081.43x = 25,721,389,367.88
  5. Step 5: Solve for x
    x = 25,721,389,367.88/169,081.43
  6. Step 6: Final answer
    x = 152,124.28

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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.