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Finding the Fourth Proportional to 136,369.68, 204,563.76 and 46,375.76

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Solution

The fourth proportional to 136,369.68, 204,563.76 and 46,375.76 is: 69,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,369.68 : 204,563.76 = 46,375.76 : x
  2. Step 2: Convert to fraction form
    136,369.68/204,563.76 = 46,375.76/x
  3. Step 3: Cross multiply
    136,369.68x = 204,563.76 × 46,375.76
  4. Step 4: Simplify right side
    136,369.68x = 9,486,799,838.46
  5. Step 5: Solve for x
    x = 9,486,799,838.46/136,369.68
  6. Step 6: Final answer
    x = 69,566.78

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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.