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Finding the Fourth Proportional to 164,595.20, 246,892.80 and 155,409.80

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Solution

The fourth proportional to 164,595.20, 246,892.80 and 155,409.80 is: 233,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,595.20 : 246,892.80 = 155,409.80 : x
  2. Step 2: Convert to fraction form
    164,595.20/246,892.80 = 155,409.80/x
  3. Step 3: Cross multiply
    164,595.20x = 246,892.80 × 155,409.80
  4. Step 4: Simplify right side
    164,595.20x = 38,369,560,669.44
  5. Step 5: Solve for x
    x = 38,369,560,669.44/164,595.20
  6. Step 6: Final answer
    x = 233,114.70

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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.