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Finding the Fourth Proportional to 229,122.48, 343,689.48 and 62,910

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Solution

The fourth proportional to 229,122.48, 343,689.48 and 62,910 is: 94,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,122.48 : 343,689.48 = 62,910 : x
  2. Step 2: Convert to fraction form
    229,122.48/343,689.48 = 62,910/x
  3. Step 3: Cross multiply
    229,122.48x = 343,689.48 × 62,910
  4. Step 4: Simplify right side
    229,122.48x = 21,621,505,186.80
  5. Step 5: Solve for x
    x = 21,621,505,186.80/229,122.48
  6. Step 6: Final answer
    x = 94,366.58

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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.