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Finding the Fourth Proportional to 112,903.79, 169,367.03 and 29,797.79

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Solution

The fourth proportional to 112,903.79, 169,367.03 and 29,797.79 is: 44,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,903.79 : 169,367.03 = 29,797.79 : x
  2. Step 2: Convert to fraction form
    112,903.79/169,367.03 = 29,797.79/x
  3. Step 3: Cross multiply
    112,903.79x = 169,367.03 × 29,797.79
  4. Step 4: Simplify right side
    112,903.79x = 5,046,763,043.87
  5. Step 5: Solve for x
    x = 5,046,763,043.87/112,903.79
  6. Step 6: Final answer
    x = 44,699.68

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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.