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Finding the Fourth Proportional to 363,153.84, 544,818.30 and 113,835.84

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Solution

The fourth proportional to 363,153.84, 544,818.30 and 113,835.84 is: 170,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,153.84 : 544,818.30 = 113,835.84 : x
  2. Step 2: Convert to fraction form
    363,153.84/544,818.30 = 113,835.84/x
  3. Step 3: Cross multiply
    363,153.84x = 544,818.30 × 113,835.84
  4. Step 4: Simplify right side
    363,153.84x = 62,019,848,827.87
  5. Step 5: Solve for x
    x = 62,019,848,827.87/363,153.84
  6. Step 6: Final answer
    x = 170,781.20

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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.