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Finding the Fourth Proportional to 354,832.54, 532,051.89 and 118,045.96

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Solution

The fourth proportional to 354,832.54, 532,051.89 and 118,045.96 is: 177,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,832.54 : 532,051.89 = 118,045.96 : x
  2. Step 2: Convert to fraction form
    354,832.54/532,051.89 = 118,045.96/x
  3. Step 3: Cross multiply
    354,832.54x = 532,051.89 × 118,045.96
  4. Step 4: Simplify right side
    354,832.54x = 62,806,576,124.86
  5. Step 5: Solve for x
    x = 62,806,576,124.86/354,832.54
  6. Step 6: Final answer
    x = 177,003.43

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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.