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Finding the Fourth Proportional to 164,490.63, 246,719.34 and 111,522.71

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Solution

The fourth proportional to 164,490.63, 246,719.34 and 111,522.71 is: 167,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,490.63 : 246,719.34 = 111,522.71 : x
  2. Step 2: Convert to fraction form
    164,490.63/246,719.34 = 111,522.71/x
  3. Step 3: Cross multiply
    164,490.63x = 246,719.34 × 111,522.71
  4. Step 4: Simplify right side
    164,490.63x = 27,514,808,172.61
  5. Step 5: Solve for x
    x = 27,514,808,172.61/164,490.63
  6. Step 6: Final answer
    x = 167,272.80

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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.