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Finding the Fourth Proportional to 236,841.20, 355,463.40 and 96,700.40

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Solution

The fourth proportional to 236,841.20, 355,463.40 and 96,700.40 is: 145,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,841.20 : 355,463.40 = 96,700.40 : x
  2. Step 2: Convert to fraction form
    236,841.20/355,463.40 = 96,700.40/x
  3. Step 3: Cross multiply
    236,841.20x = 355,463.40 × 96,700.40
  4. Step 4: Simplify right side
    236,841.20x = 34,373,452,965.36
  5. Step 5: Solve for x
    x = 34,373,452,965.36/236,841.20
  6. Step 6: Final answer
    x = 145,132.91

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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.