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Finding the Fourth Proportional to 236,805.80, 355,079.10 and 96,405.80

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Solution

The fourth proportional to 236,805.80, 355,079.10 and 96,405.80 is: 144,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,805.80 : 355,079.10 = 96,405.80 : x
  2. Step 2: Convert to fraction form
    236,805.80/355,079.10 = 96,405.80/x
  3. Step 3: Cross multiply
    236,805.80x = 355,079.10 × 96,405.80
  4. Step 4: Simplify right side
    236,805.80x = 34,231,684,698.78
  5. Step 5: Solve for x
    x = 34,231,684,698.78/236,805.80
  6. Step 6: Final answer
    x = 144,555.94

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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.