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Finding the Fourth Proportional to 169,722.15, 254,583.23 and 43,362.68

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Solution

The fourth proportional to 169,722.15, 254,583.23 and 43,362.68 is: 65,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,722.15 : 254,583.23 = 43,362.68 : x
  2. Step 2: Convert to fraction form
    169,722.15/254,583.23 = 43,362.68/x
  3. Step 3: Cross multiply
    169,722.15x = 254,583.23 × 43,362.68
  4. Step 4: Simplify right side
    169,722.15x = 11,039,411,135.86
  5. Step 5: Solve for x
    x = 11,039,411,135.86/169,722.15
  6. Step 6: Final answer
    x = 65,044.02

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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.