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Finding the Fourth Proportional to 236,864.40, 355,123.80 and 96,550.80

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Solution

The fourth proportional to 236,864.40, 355,123.80 and 96,550.80 is: 144,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,864.40 : 355,123.80 = 96,550.80 : x
  2. Step 2: Convert to fraction form
    236,864.40/355,123.80 = 96,550.80/x
  3. Step 3: Cross multiply
    236,864.40x = 355,123.80 × 96,550.80
  4. Step 4: Simplify right side
    236,864.40x = 34,287,486,989.04
  5. Step 5: Solve for x
    x = 34,287,486,989.04/236,864.40
  6. Step 6: Final answer
    x = 144,755.76

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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.