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Finding the Fourth Proportional to 72,333.88, 99,797.58 and 46,859.89

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Solution

The fourth proportional to 72,333.88, 99,797.58 and 46,859.89 is: 64,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,333.88 : 99,797.58 = 46,859.89 : x
  2. Step 2: Convert to fraction form
    72,333.88/99,797.58 = 46,859.89/x
  3. Step 3: Cross multiply
    72,333.88x = 99,797.58 × 46,859.89
  4. Step 4: Simplify right side
    72,333.88x = 4,676,503,371.57
  5. Step 5: Solve for x
    x = 4,676,503,371.57/72,333.88
  6. Step 6: Final answer
    x = 64,651.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.