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Finding the Fourth Proportional to 255,588.53, 383,382.72 and 68,600.03

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Solution

The fourth proportional to 255,588.53, 383,382.72 and 68,600.03 is: 102,900.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,588.53 : 383,382.72 = 68,600.03 : x
  2. Step 2: Convert to fraction form
    255,588.53/383,382.72 = 68,600.03/x
  3. Step 3: Cross multiply
    255,588.53x = 383,382.72 × 68,600.03
  4. Step 4: Simplify right side
    255,588.53x = 26,300,064,176.57
  5. Step 5: Solve for x
    x = 26,300,064,176.57/255,588.53
  6. Step 6: Final answer
    x = 102,900.02

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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.