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Finding the Fourth Proportional to 155,154.44, 232,745.13 and 42,834.71

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Solution

The fourth proportional to 155,154.44, 232,745.13 and 42,834.71 is: 64,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,154.44 : 232,745.13 = 42,834.71 : x
  2. Step 2: Convert to fraction form
    155,154.44/232,745.13 = 42,834.71/x
  3. Step 3: Cross multiply
    155,154.44x = 232,745.13 × 42,834.71
  4. Step 4: Simplify right side
    155,154.44x = 9,969,570,729.33
  5. Step 5: Solve for x
    x = 9,969,570,729.33/155,154.44
  6. Step 6: Final answer
    x = 64,255.79

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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.