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Finding the Fourth Proportional to 72,824.93, 109,252.99 and 41,249.91

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Solution

The fourth proportional to 72,824.93, 109,252.99 and 41,249.91 is: 61,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,824.93 : 109,252.99 = 41,249.91 : x
  2. Step 2: Convert to fraction form
    72,824.93/109,252.99 = 41,249.91/x
  3. Step 3: Cross multiply
    72,824.93x = 109,252.99 × 41,249.91
  4. Step 4: Simplify right side
    72,824.93x = 4,506,675,901.61
  5. Step 5: Solve for x
    x = 4,506,675,901.61/72,824.93
  6. Step 6: Final answer
    x = 61,883.70

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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.