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Finding the Fourth Proportional to 354,664.31, 532,076.66 and 118,016.33

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Solution

The fourth proportional to 354,664.31, 532,076.66 and 118,016.33 is: 177,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,664.31 : 532,076.66 = 118,016.33 : x
  2. Step 2: Convert to fraction form
    354,664.31/532,076.66 = 118,016.33/x
  3. Step 3: Cross multiply
    354,664.31x = 532,076.66 × 118,016.33
  4. Step 4: Simplify right side
    354,664.31x = 62,793,734,101.78
  5. Step 5: Solve for x
    x = 62,793,734,101.78/354,664.31
  6. Step 6: Final answer
    x = 177,051.18

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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.