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Finding the Fourth Proportional to 93,700.43, 140,596.81 and 43,783.98

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Solution

The fourth proportional to 93,700.43, 140,596.81 and 43,783.98 is: 65,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,700.43 : 140,596.81 = 43,783.98 : x
  2. Step 2: Convert to fraction form
    93,700.43/140,596.81 = 43,783.98/x
  3. Step 3: Cross multiply
    93,700.43x = 140,596.81 × 43,783.98
  4. Step 4: Simplify right side
    93,700.43x = 6,155,887,268.85
  5. Step 5: Solve for x
    x = 6,155,887,268.85/93,700.43
  6. Step 6: Final answer
    x = 65,697.54

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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.