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Finding the Fourth Proportional to 144,573.60, 216,818.70 and 49,799.94

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Solution

The fourth proportional to 144,573.60, 216,818.70 and 49,799.94 is: 74,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,573.60 : 216,818.70 = 49,799.94 : x
  2. Step 2: Convert to fraction form
    144,573.60/216,818.70 = 49,799.94/x
  3. Step 3: Cross multiply
    144,573.60x = 216,818.70 × 49,799.94
  4. Step 4: Simplify right side
    144,573.60x = 10,797,558,250.88
  5. Step 5: Solve for x
    x = 10,797,558,250.88/144,573.60
  6. Step 6: Final answer
    x = 74,685.55

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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.