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Finding the Fourth Proportional to 92,802.52, 128,067.41 and 52,515.55

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Solution

The fourth proportional to 92,802.52, 128,067.41 and 52,515.55 is: 72,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,802.52 : 128,067.41 = 52,515.55 : x
  2. Step 2: Convert to fraction form
    92,802.52/128,067.41 = 52,515.55/x
  3. Step 3: Cross multiply
    92,802.52x = 128,067.41 × 52,515.55
  4. Step 4: Simplify right side
    92,802.52x = 6,725,530,764.60
  5. Step 5: Solve for x
    x = 6,725,530,764.60/92,802.52
  6. Step 6: Final answer
    x = 72,471.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.