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Finding the Fourth Proportional to 169,815.95, 254,708.31 and 57,483.33

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Solution

The fourth proportional to 169,815.95, 254,708.31 and 57,483.33 is: 86,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,815.95 : 254,708.31 = 57,483.33 : x
  2. Step 2: Convert to fraction form
    169,815.95/254,708.31 = 57,483.33/x
  3. Step 3: Cross multiply
    169,815.95x = 254,708.31 × 57,483.33
  4. Step 4: Simplify right side
    169,815.95x = 14,641,481,621.91
  5. Step 5: Solve for x
    x = 14,641,481,621.91/169,815.95
  6. Step 6: Final answer
    x = 86,219.71

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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.