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Finding the Fourth Proportional to 171,282.40, 256,923.60 and 52,965.70

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Solution

The fourth proportional to 171,282.40, 256,923.60 and 52,965.70 is: 79,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,282.40 : 256,923.60 = 52,965.70 : x
  2. Step 2: Convert to fraction form
    171,282.40/256,923.60 = 52,965.70/x
  3. Step 3: Cross multiply
    171,282.40x = 256,923.60 × 52,965.70
  4. Step 4: Simplify right side
    171,282.40x = 13,608,138,320.52
  5. Step 5: Solve for x
    x = 13,608,138,320.52/171,282.40
  6. Step 6: Final answer
    x = 79,448.55

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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.