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Finding the Fourth Proportional to 75,273.60, 112,904.61 and 27,866.43

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Solution

The fourth proportional to 75,273.60, 112,904.61 and 27,866.43 is: 41,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,273.60 : 112,904.61 = 27,866.43 : x
  2. Step 2: Convert to fraction form
    75,273.60/112,904.61 = 27,866.43/x
  3. Step 3: Cross multiply
    75,273.60x = 112,904.61 × 27,866.43
  4. Step 4: Simplify right side
    75,273.60x = 3,146,248,411.24
  5. Step 5: Solve for x
    x = 3,146,248,411.24/75,273.60
  6. Step 6: Final answer
    x = 41,797.50

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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.