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Finding the Fourth Proportional to 228,739.30, 343,106.46 and 93,773.28

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Solution

The fourth proportional to 228,739.30, 343,106.46 and 93,773.28 is: 140,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,739.30 : 343,106.46 = 93,773.28 : x
  2. Step 2: Convert to fraction form
    228,739.30/343,106.46 = 93,773.28/x
  3. Step 3: Cross multiply
    228,739.30x = 343,106.46 × 93,773.28
  4. Step 4: Simplify right side
    228,739.30x = 32,174,218,143.39
  5. Step 5: Solve for x
    x = 32,174,218,143.39/228,739.30
  6. Step 6: Final answer
    x = 140,658.90

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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.