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Finding the Fourth Proportional to 111,032.48, 166,405.60 and 96,743.04

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Solution

The fourth proportional to 111,032.48, 166,405.60 and 96,743.04 is: 144,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,032.48 : 166,405.60 = 96,743.04 : x
  2. Step 2: Convert to fraction form
    111,032.48/166,405.60 = 96,743.04/x
  3. Step 3: Cross multiply
    111,032.48x = 166,405.60 × 96,743.04
  4. Step 4: Simplify right side
    111,032.48x = 16,098,583,617.02
  5. Step 5: Solve for x
    x = 16,098,583,617.02/111,032.48
  6. Step 6: Final answer
    x = 144,989.86

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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.