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Finding the Fourth Proportional to 170,292.52, 255,438.80 and 51,964.48

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Solution

The fourth proportional to 170,292.52, 255,438.80 and 51,964.48 is: 77,946.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,292.52 : 255,438.80 = 51,964.48 : x
  2. Step 2: Convert to fraction form
    170,292.52/255,438.80 = 51,964.48/x
  3. Step 3: Cross multiply
    170,292.52x = 255,438.80 × 51,964.48
  4. Step 4: Simplify right side
    170,292.52x = 13,273,744,413.82
  5. Step 5: Solve for x
    x = 13,273,744,413.82/170,292.52
  6. Step 6: Final answer
    x = 77,946.73

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1.5x scale

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.