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Finding the Fourth Proportional to 169,083.54, 253,674.69 and 75,567.42

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Solution

The fourth proportional to 169,083.54, 253,674.69 and 75,567.42 is: 113,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,083.54 : 253,674.69 = 75,567.42 : x
  2. Step 2: Convert to fraction form
    169,083.54/253,674.69 = 75,567.42/x
  3. Step 3: Cross multiply
    169,083.54x = 253,674.69 × 75,567.42
  4. Step 4: Simplify right side
    169,083.54x = 19,169,541,842.60
  5. Step 5: Solve for x
    x = 19,169,541,842.60/169,083.54
  6. Step 6: Final answer
    x = 113,373.20

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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.