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Finding the Fourth Proportional to 95,384.94, 143,078.40 and 28,825.62

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Solution

The fourth proportional to 95,384.94, 143,078.40 and 28,825.62 is: 43,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,384.94 : 143,078.40 = 28,825.62 : x
  2. Step 2: Convert to fraction form
    95,384.94/143,078.40 = 28,825.62/x
  3. Step 3: Cross multiply
    95,384.94x = 143,078.40 × 28,825.62
  4. Step 4: Simplify right side
    95,384.94x = 4,124,323,588.61
  5. Step 5: Solve for x
    x = 4,124,323,588.61/95,384.94
  6. Step 6: Final answer
    x = 43,238.73

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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.