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Finding the Fourth Proportional to 236,838.48, 355,397.80 and 87,183.88

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Solution

The fourth proportional to 236,838.48, 355,397.80 and 87,183.88 is: 130,827.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,838.48 : 355,397.80 = 87,183.88 : x
  2. Step 2: Convert to fraction form
    236,838.48/355,397.80 = 87,183.88/x
  3. Step 3: Cross multiply
    236,838.48x = 355,397.80 × 87,183.88
  4. Step 4: Simplify right side
    236,838.48x = 30,984,959,147.46
  5. Step 5: Solve for x
    x = 30,984,959,147.46/236,838.48
  6. Step 6: Final answer
    x = 130,827.39

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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.