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Finding the Fourth Proportional to 169,362.73, 254,044.20 and 43,012.45

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Solution

The fourth proportional to 169,362.73, 254,044.20 and 43,012.45 is: 64,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,362.73 : 254,044.20 = 43,012.45 : x
  2. Step 2: Convert to fraction form
    169,362.73/254,044.20 = 43,012.45/x
  3. Step 3: Cross multiply
    169,362.73x = 254,044.20 × 43,012.45
  4. Step 4: Simplify right side
    169,362.73x = 10,927,063,450.29
  5. Step 5: Solve for x
    x = 10,927,063,450.29/169,362.73
  6. Step 6: Final answer
    x = 64,518.70

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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.