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Finding the Fourth Proportional to 169,665.84, 254,502 and 51,336.72

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Solution

The fourth proportional to 169,665.84, 254,502 and 51,336.72 is: 77,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,665.84 : 254,502 = 51,336.72 : x
  2. Step 2: Convert to fraction form
    169,665.84/254,502 = 51,336.72/x
  3. Step 3: Cross multiply
    169,665.84x = 254,502 × 51,336.72
  4. Step 4: Simplify right side
    169,665.84x = 13,065,297,913.44
  5. Step 5: Solve for x
    x = 13,065,297,913.44/169,665.84
  6. Step 6: Final answer
    x = 77,006.06

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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.