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Finding the Fourth Proportional to 175,999.40, 263,999.10 and 106,015.40

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Solution

The fourth proportional to 175,999.40, 263,999.10 and 106,015.40 is: 159,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,999.40 : 263,999.10 = 106,015.40 : x
  2. Step 2: Convert to fraction form
    175,999.40/263,999.10 = 106,015.40/x
  3. Step 3: Cross multiply
    175,999.40x = 263,999.10 × 106,015.40
  4. Step 4: Simplify right side
    175,999.40x = 27,987,970,186.14
  5. Step 5: Solve for x
    x = 27,987,970,186.14/175,999.40
  6. Step 6: Final answer
    x = 159,023.10

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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.