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Finding the Fourth Proportional to 93,626, 129,203.86 and 51,184.52

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Solution

The fourth proportional to 93,626, 129,203.86 and 51,184.52 is: 70,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,626 : 129,203.86 = 51,184.52 : x
  2. Step 2: Convert to fraction form
    93,626/129,203.86 = 51,184.52/x
  3. Step 3: Cross multiply
    93,626x = 129,203.86 × 51,184.52
  4. Step 4: Simplify right side
    93,626x = 6,613,237,556.25
  5. Step 5: Solve for x
    x = 6,613,237,556.25/93,626
  6. Step 6: Final answer
    x = 70,634.63

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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.