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Finding the Fourth Proportional to 93,660.56, 140,490.68 and 43,723.92

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Solution

The fourth proportional to 93,660.56, 140,490.68 and 43,723.92 is: 65,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,660.56 : 140,490.68 = 43,723.92 : x
  2. Step 2: Convert to fraction form
    93,660.56/140,490.68 = 43,723.92/x
  3. Step 3: Cross multiply
    93,660.56x = 140,490.68 × 43,723.92
  4. Step 4: Simplify right side
    93,660.56x = 6,142,803,253.07
  5. Step 5: Solve for x
    x = 6,142,803,253.07/93,660.56
  6. Step 6: Final answer
    x = 65,585.81

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1.5x scale

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.