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Finding the Fourth Proportional to 169,377.84, 254,099.70 and 51,043.32

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Solution

The fourth proportional to 169,377.84, 254,099.70 and 51,043.32 is: 76,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,377.84 : 254,099.70 = 51,043.32 : x
  2. Step 2: Convert to fraction form
    169,377.84/254,099.70 = 51,043.32/x
  3. Step 3: Cross multiply
    169,377.84x = 254,099.70 × 51,043.32
  4. Step 4: Simplify right side
    169,377.84x = 12,970,092,299.00
  5. Step 5: Solve for x
    x = 12,970,092,299.00/169,377.84
  6. Step 6: Final answer
    x = 76,574.91

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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.