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Finding the Fourth Proportional to 251,564.54, 347,168.06 and 144,155.31

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Solution

The fourth proportional to 251,564.54, 347,168.06 and 144,155.31 is: 198,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,564.54 : 347,168.06 = 144,155.31 : x
  2. Step 2: Convert to fraction form
    251,564.54/347,168.06 = 144,155.31/x
  3. Step 3: Cross multiply
    251,564.54x = 347,168.06 × 144,155.31
  4. Step 4: Simplify right side
    251,564.54x = 50,046,118,925.68
  5. Step 5: Solve for x
    x = 50,046,118,925.68/251,564.54
  6. Step 6: Final answer
    x = 198,939.48

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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.