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Finding the Fourth Proportional to 93,203.52, 139,788 and 30,865.92

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Solution

The fourth proportional to 93,203.52, 139,788 and 30,865.92 is: 46,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,203.52 : 139,788 = 30,865.92 : x
  2. Step 2: Convert to fraction form
    93,203.52/139,788 = 30,865.92/x
  3. Step 3: Cross multiply
    93,203.52x = 139,788 × 30,865.92
  4. Step 4: Simplify right side
    93,203.52x = 4,314,685,224.96
  5. Step 5: Solve for x
    x = 4,314,685,224.96/93,203.52
  6. Step 6: Final answer
    x = 46,293.16

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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.