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Finding the Fourth Proportional to 93,666.44, 140,520.72 and 49,314.08

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Solution

The fourth proportional to 93,666.44, 140,520.72 and 49,314.08 is: 73,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,666.44 : 140,520.72 = 49,314.08 : x
  2. Step 2: Convert to fraction form
    93,666.44/140,520.72 = 49,314.08/x
  3. Step 3: Cross multiply
    93,666.44x = 140,520.72 × 49,314.08
  4. Step 4: Simplify right side
    93,666.44x = 6,929,650,027.74
  5. Step 5: Solve for x
    x = 6,929,650,027.74/93,666.44
  6. Step 6: Final answer
    x = 73,982.21

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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.