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Finding the Fourth Proportional to 70,120.44, 96,692.46 and 46,216.50

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Solution

The fourth proportional to 70,120.44, 96,692.46 and 46,216.50 is: 63,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,120.44 : 96,692.46 = 46,216.50 : x
  2. Step 2: Convert to fraction form
    70,120.44/96,692.46 = 46,216.50/x
  3. Step 3: Cross multiply
    70,120.44x = 96,692.46 × 46,216.50
  4. Step 4: Simplify right side
    70,120.44x = 4,468,787,077.59
  5. Step 5: Solve for x
    x = 4,468,787,077.59/70,120.44
  6. Step 6: Final answer
    x = 63,730.16

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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.