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Finding the Fourth Proportional to 295,272.39, 442,915.44 and 105,745.77

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Solution

The fourth proportional to 295,272.39, 442,915.44 and 105,745.77 is: 158,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,272.39 : 442,915.44 = 105,745.77 : x
  2. Step 2: Convert to fraction form
    295,272.39/442,915.44 = 105,745.77/x
  3. Step 3: Cross multiply
    295,272.39x = 442,915.44 × 105,745.77
  4. Step 4: Simplify right side
    295,272.39x = 46,836,434,247.69
  5. Step 5: Solve for x
    x = 46,836,434,247.69/295,272.39
  6. Step 6: Final answer
    x = 158,621.11

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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.