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Finding the Fourth Proportional to 172,287.60, 237,740.04 and 96,834.48

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Solution

The fourth proportional to 172,287.60, 237,740.04 and 96,834.48 is: 133,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,287.60 : 237,740.04 = 96,834.48 : x
  2. Step 2: Convert to fraction form
    172,287.60/237,740.04 = 96,834.48/x
  3. Step 3: Cross multiply
    172,287.60x = 237,740.04 × 96,834.48
  4. Step 4: Simplify right side
    172,287.60x = 23,021,433,148.58
  5. Step 5: Solve for x
    x = 23,021,433,148.58/172,287.60
  6. Step 6: Final answer
    x = 133,622.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.