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Finding the Fourth Proportional to 175,400.20, 263,100.30 and 100,750.60

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Solution

The fourth proportional to 175,400.20, 263,100.30 and 100,750.60 is: 151,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,400.20 : 263,100.30 = 100,750.60 : x
  2. Step 2: Convert to fraction form
    175,400.20/263,100.30 = 100,750.60/x
  3. Step 3: Cross multiply
    175,400.20x = 263,100.30 × 100,750.60
  4. Step 4: Simplify right side
    175,400.20x = 26,507,513,085.18
  5. Step 5: Solve for x
    x = 26,507,513,085.18/175,400.20
  6. Step 6: Final answer
    x = 151,125.90

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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.