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Finding the Fourth Proportional to 170,508.93, 255,800.87 and 52,189.40

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Solution

The fourth proportional to 170,508.93, 255,800.87 and 52,189.40 is: 78,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,508.93 : 255,800.87 = 52,189.40 : x
  2. Step 2: Convert to fraction form
    170,508.93/255,800.87 = 52,189.40/x
  3. Step 3: Cross multiply
    170,508.93x = 255,800.87 × 52,189.40
  4. Step 4: Simplify right side
    170,508.93x = 13,350,092,384.83
  5. Step 5: Solve for x
    x = 13,350,092,384.83/170,508.93
  6. Step 6: Final answer
    x = 78,295.56

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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.