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Finding the Fourth Proportional to 236,934.40, 355,228.80 and 96,620.80

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Solution

The fourth proportional to 236,934.40, 355,228.80 and 96,620.80 is: 144,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,934.40 : 355,228.80 = 96,620.80 : x
  2. Step 2: Convert to fraction form
    236,934.40/355,228.80 = 96,620.80/x
  3. Step 3: Cross multiply
    236,934.40x = 355,228.80 × 96,620.80
  4. Step 4: Simplify right side
    236,934.40x = 34,322,490,839.04
  5. Step 5: Solve for x
    x = 34,322,490,839.04/236,934.40
  6. Step 6: Final answer
    x = 144,860.73

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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.