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Finding the Fourth Proportional to 363,154.88, 544,746.96 and 126,521.52

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Solution

The fourth proportional to 363,154.88, 544,746.96 and 126,521.52 is: 189,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,154.88 : 544,746.96 = 126,521.52 : x
  2. Step 2: Convert to fraction form
    363,154.88/544,746.96 = 126,521.52/x
  3. Step 3: Cross multiply
    363,154.88x = 544,746.96 × 126,521.52
  4. Step 4: Simplify right side
    363,154.88x = 68,922,213,394.58
  5. Step 5: Solve for x
    x = 68,922,213,394.58/363,154.88
  6. Step 6: Final answer
    x = 189,787.38

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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.