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Finding the Fourth Proportional to 236,910.80, 355,262.52 and 70,659.92

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Solution

The fourth proportional to 236,910.80, 355,262.52 and 70,659.92 is: 105,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,910.80 : 355,262.52 = 70,659.92 : x
  2. Step 2: Convert to fraction form
    236,910.80/355,262.52 = 70,659.92/x
  3. Step 3: Cross multiply
    236,910.80x = 355,262.52 × 70,659.92
  4. Step 4: Simplify right side
    236,910.80x = 25,102,821,242.20
  5. Step 5: Solve for x
    x = 25,102,821,242.20/236,910.80
  6. Step 6: Final answer
    x = 105,958.96

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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.