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Finding the Fourth Proportional to 170,625.70, 255,938.55 and 168,001.30

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Solution

The fourth proportional to 170,625.70, 255,938.55 and 168,001.30 is: 252,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,625.70 : 255,938.55 = 168,001.30 : x
  2. Step 2: Convert to fraction form
    170,625.70/255,938.55 = 168,001.30/x
  3. Step 3: Cross multiply
    170,625.70x = 255,938.55 × 168,001.30
  4. Step 4: Simplify right side
    170,625.70x = 42,998,009,120.12
  5. Step 5: Solve for x
    x = 42,998,009,120.12/170,625.70
  6. Step 6: Final answer
    x = 252,001.95

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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.