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Finding the Fourth Proportional to 169,918.54, 254,718.60 and 57,520.12

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Solution

The fourth proportional to 169,918.54, 254,718.60 and 57,520.12 is: 86,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,918.54 : 254,718.60 = 57,520.12 : x
  2. Step 2: Convert to fraction form
    169,918.54/254,718.60 = 57,520.12/x
  3. Step 3: Cross multiply
    169,918.54x = 254,718.60 × 57,520.12
  4. Step 4: Simplify right side
    169,918.54x = 14,651,444,438.23
  5. Step 5: Solve for x
    x = 14,651,444,438.23/169,918.54
  6. Step 6: Final answer
    x = 86,226.28

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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.