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Finding the Fourth Proportional to 93,978.43, 140,983.43 and 46,595.86

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Solution

The fourth proportional to 93,978.43, 140,983.43 and 46,595.86 is: 69,901.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,978.43 : 140,983.43 = 46,595.86 : x
  2. Step 2: Convert to fraction form
    93,978.43/140,983.43 = 46,595.86/x
  3. Step 3: Cross multiply
    93,978.43x = 140,983.43 × 46,595.86
  4. Step 4: Simplify right side
    93,978.43x = 6,569,244,166.60
  5. Step 5: Solve for x
    x = 6,569,244,166.60/93,978.43
  6. Step 6: Final answer
    x = 69,901.62

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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.