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Finding the Fourth Proportional to 236,824.40, 355,063.80 and 96,510.80

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Solution

The fourth proportional to 236,824.40, 355,063.80 and 96,510.80 is: 144,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,824.40 : 355,063.80 = 96,510.80 : x
  2. Step 2: Convert to fraction form
    236,824.40/355,063.80 = 96,510.80/x
  3. Step 3: Cross multiply
    236,824.40x = 355,063.80 × 96,510.80
  4. Step 4: Simplify right side
    236,824.40x = 34,267,491,389.04
  5. Step 5: Solve for x
    x = 34,267,491,389.04/236,824.40
  6. Step 6: Final answer
    x = 144,695.78

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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.