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Finding the Fourth Proportional to 169,445.52, 254,170.10 and 51,117.88

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Solution

The fourth proportional to 169,445.52, 254,170.10 and 51,117.88 is: 76,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,445.52 : 254,170.10 = 51,117.88 : x
  2. Step 2: Convert to fraction form
    169,445.52/254,170.10 = 51,117.88/x
  3. Step 3: Cross multiply
    169,445.52x = 254,170.10 × 51,117.88
  4. Step 4: Simplify right side
    169,445.52x = 12,992,636,671.39
  5. Step 5: Solve for x
    x = 12,992,636,671.39/169,445.52
  6. Step 6: Final answer
    x = 76,677.37

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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.