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Finding the Fourth Proportional to 168,610.10, 252,929.55 and 57,802.10

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Solution

The fourth proportional to 168,610.10, 252,929.55 and 57,802.10 is: 86,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,610.10 : 252,929.55 = 57,802.10 : x
  2. Step 2: Convert to fraction form
    168,610.10/252,929.55 = 57,802.10/x
  3. Step 3: Cross multiply
    168,610.10x = 252,929.55 × 57,802.10
  4. Step 4: Simplify right side
    168,610.10x = 14,619,859,142.06
  5. Step 5: Solve for x
    x = 14,619,859,142.06/168,610.10
  6. Step 6: Final answer
    x = 86,708.09

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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.