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Finding the Fourth Proportional to 93,584.91, 129,147.22 and 51,143.44

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Solution

The fourth proportional to 93,584.91, 129,147.22 and 51,143.44 is: 70,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,584.91 : 129,147.22 = 51,143.44 : x
  2. Step 2: Convert to fraction form
    93,584.91/129,147.22 = 51,143.44/x
  3. Step 3: Cross multiply
    93,584.91x = 129,147.22 × 51,143.44
  4. Step 4: Simplify right side
    93,584.91x = 6,605,032,451.50
  5. Step 5: Solve for x
    x = 6,605,032,451.50/93,584.91
  6. Step 6: Final answer
    x = 70,577.97

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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.