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Finding the Fourth Proportional to 170,294.52, 255,441.80 and 51,966.48

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Solution

The fourth proportional to 170,294.52, 255,441.80 and 51,966.48 is: 77,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,294.52 : 255,441.80 = 51,966.48 : x
  2. Step 2: Convert to fraction form
    170,294.52/255,441.80 = 51,966.48/x
  3. Step 3: Cross multiply
    170,294.52x = 255,441.80 × 51,966.48
  4. Step 4: Simplify right side
    170,294.52x = 13,274,411,190.86
  5. Step 5: Solve for x
    x = 13,274,411,190.86/170,294.52
  6. Step 6: Final answer
    x = 77,949.73

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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.