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Finding the Fourth Proportional to 363,156.38, 544,822.05 and 113,838.38

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Solution

The fourth proportional to 363,156.38, 544,822.05 and 113,838.38 is: 170,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,156.38 : 544,822.05 = 113,838.38 : x
  2. Step 2: Convert to fraction form
    363,156.38/544,822.05 = 113,838.38/x
  3. Step 3: Cross multiply
    363,156.38x = 544,822.05 × 113,838.38
  4. Step 4: Simplify right side
    363,156.38x = 62,021,656,836.17
  5. Step 5: Solve for x
    x = 62,021,656,836.17/363,156.38
  6. Step 6: Final answer
    x = 170,784.99

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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.