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Finding the Fourth Proportional to 237,233.91, 355,622.25 and 87,392.29

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Solution

The fourth proportional to 237,233.91, 355,622.25 and 87,392.29 is: 131,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,233.91 : 355,622.25 = 87,392.29 : x
  2. Step 2: Convert to fraction form
    237,233.91/355,622.25 = 87,392.29/x
  3. Step 3: Cross multiply
    237,233.91x = 355,622.25 × 87,392.29
  4. Step 4: Simplify right side
    237,233.91x = 31,078,642,802.45
  5. Step 5: Solve for x
    x = 31,078,642,802.45/237,233.91
  6. Step 6: Final answer
    x = 131,004.22

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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.