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Finding the Fourth Proportional to 175,249.60, 262,485.60 and 144,145.60

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Solution

The fourth proportional to 175,249.60, 262,485.60 and 144,145.60 is: 215,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,249.60 : 262,485.60 = 144,145.60 : x
  2. Step 2: Convert to fraction form
    175,249.60/262,485.60 = 144,145.60/x
  3. Step 3: Cross multiply
    175,249.60x = 262,485.60 × 144,145.60
  4. Step 4: Simplify right side
    175,249.60x = 37,836,144,303.36
  5. Step 5: Solve for x
    x = 37,836,144,303.36/175,249.60
  6. Step 6: Final answer
    x = 215,898.61

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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.