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Finding the Fourth Proportional to 136,510.72, 204,803.04 and 41,738.32

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Solution

The fourth proportional to 136,510.72, 204,803.04 and 41,738.32 is: 62,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,510.72 : 204,803.04 = 41,738.32 : x
  2. Step 2: Convert to fraction form
    136,510.72/204,803.04 = 41,738.32/x
  3. Step 3: Cross multiply
    136,510.72x = 204,803.04 × 41,738.32
  4. Step 4: Simplify right side
    136,510.72x = 8,548,134,820.49
  5. Step 5: Solve for x
    x = 8,548,134,820.49/136,510.72
  6. Step 6: Final answer
    x = 62,618.78

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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.